134839697 has 4 divisors (see below), whose sum is σ = 135545856. Its totient is φ = 134133540.

The previous prime is 134839657. The next prime is 134839709. The reversal of 134839697 is 796938431.

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.

It is a cyclic number.

It is not a de Polignac number, because 134839697 - 2⁶ = 134839633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134839657) 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, 352793 + ... + 353174.

It is an arithmetic number, because the mean of its divisors is an integer number (33886464).

Almost surely, 2^134839697 is an apocalyptic number.

It is an amenable number.

134839697 is a deficient number, since it is larger than the sum of its proper divisors (706159).

134839697 is an equidigital number, since it uses as much as digits as its factorization.

134839697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706158.

The product of its digits is 979776, while the sum is 50.

The square root of 134839697 is about 11612.0496468109. The cubic root of 134839697 is about 512.7896559712.

The spelling of 134839697 in words is "one hundred thirty-four million, eight hundred thirty-nine thousand, six hundred ninety-seven".