134690787 has 36 divisors (see below), whose sum is σ = 244411440. Its totient is φ = 69965280.

The previous prime is 134690741. The next prime is 134690807. The reversal of 134690787 is 787096431.

134690787 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 134690787 - 2⁸ = 134690531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134690287) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1212 + ... + 16457.

Almost surely, 2^134690787 is an apocalyptic number.

134690787 is a deficient number, since it is larger than the sum of its proper divisors (109720653).

134690787 is a wasteful number, since it uses less digits than its factorization.

134690787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17704 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 134690787 is about 11605.6360015296. The cubic root of 134690787 is about 512.6008202999.

The spelling of 134690787 in words is "one hundred thirty-four million, six hundred ninety thousand, seven hundred eighty-seven".