134658857 has 4 divisors (see below), whose sum is σ = 134783376. Its totient is φ = 134534340.

The previous prime is 134658851. The next prime is 134658877. The reversal of 134658857 is 758856431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758856431 = 4783 ⋅158657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134658857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134658851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60623 + ... + 62804.

It is an arithmetic number, because the mean of its divisors is an integer number (33695844).

Almost surely, 2^134658857 is an apocalyptic number.

It is an amenable number.

134658857 is a deficient number, since it is larger than the sum of its proper divisors (124519).

134658857 is a wasteful number, since it uses less digits than its factorization.

134658857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124518.

The product of its digits is 806400, while the sum is 47.

The square root of 134658857 is about 11604.2602952536. The cubic root of 134658857 is about 512.5603111256.

It can be divided in two parts, 13465 and 8857, that added together give a palindrome (22322).

The spelling of 134658857 in words is "one hundred thirty-four million, six hundred fifty-eight thousand, eight hundred fifty-seven".