129706695 has 12 divisors (see below), whose sum is σ = 224825016. Its totient is φ = 69176880.

The previous prime is 129706693. The next prime is 129706723. The reversal of 129706695 is 596607921.

It is a happy number.

It is not a de Polignac number, because 129706695 - 2¹ = 129706693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2882371 = 129706695 / (1 + 2 + 9 + 7 + 0 + 6 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 129706695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129706691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441141 + ... + 1441230.

It is an arithmetic number, because the mean of its divisors is an integer number (18735418).

Almost surely, 2^129706695 is an apocalyptic number.

129706695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129706695 is a deficient number, since it is larger than the sum of its proper divisors (95118321).

129706695 is a wasteful number, since it uses less digits than its factorization.

129706695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882382 (or 2882379 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 129706695 is about 11388.8847127364. The cubic root of 129706695 is about 506.1984346198.

The spelling of 129706695 in words is "one hundred twenty-nine million, seven hundred six thousand, six hundred ninety-five".