134057972787 has 16 divisors (see below), whose sum is σ = 178905162240. Its totient is φ = 89291428352.

The previous prime is 134057972779. The next prime is 134057972833. The reversal of 134057972787 is 787279750431.

It is a cyclic number.

It is not a de Polignac number, because 134057972787 - 2³ = 134057972779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134057972787.

It is not an unprimeable number, because it can be changed into a prime (134057972777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22799914 + ... + 22805792.

It is an arithmetic number, because the mean of its divisors is an integer number (11181572640).

Almost surely, 2^134057972787 is an apocalyptic number.

134057972787 is a deficient number, since it is larger than the sum of its proper divisors (44847189453).

134057972787 is a wasteful number, since it uses less digits than its factorization.

134057972787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 20744640, while the sum is 60.

The spelling of 134057972787 in words is "one hundred thirty-four billion, fifty-seven million, nine hundred seventy-two thousand, seven hundred eighty-seven".