139070 has 8 divisors (see below), whose sum is σ = 250344. Its totient is φ = 55624.

The previous prime is 139067. The next prime is 139079. The reversal of 139070 is 70931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6944 + ... + 6963.

It is an arithmetic number, because the mean of its divisors is an integer number (31293).

2¹³⁹⁰⁷⁰ is an apocalyptic number.

139070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139070 is a deficient number, since it is larger than the sum of its proper divisors (111274).

139070 is a wasteful number, since it uses less digits than its factorization.

139070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 139070 is about 372.9209031417. The cubic root of 139070 is about 51.8097088285.

The spelling of 139070 in words is "one hundred thirty-nine thousand, seventy".