136694907 has 12 divisors (see below), whose sum is σ = 197893800. Its totient is φ = 90924288.

The previous prime is 136694881. The next prime is 136694923. The reversal of 136694907 is 709496631.

136694907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136694907 - 2⁶ = 136694843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136694947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12873 + ... + 20954.

It is an arithmetic number, because the mean of its divisors is an integer number (16491150).

Almost surely, 2^136694907 is an apocalyptic number.

136694907 is a deficient number, since it is larger than the sum of its proper divisors (61198893).

136694907 is a wasteful number, since it uses less digits than its factorization.

136694907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34282 (or 34279 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 136694907 is about 11691.6597196463. The cubic root of 136694907 is about 515.1307136705.

The spelling of 136694907 in words is "one hundred thirty-six million, six hundred ninety-four thousand, nine hundred seven".