135929640959 has 16 divisors (see below), whose sum is σ = 155703545088. Its totient is φ = 116244813312.

The previous prime is 135929640949. The next prime is 135929640967. The reversal of 135929640959 is 959046929531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135929640959 - 2⁸ = 135929640703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135929640949) 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, 8178752 + ... + 8195354.

It is an arithmetic number, because the mean of its divisors is an integer number (9731471568).

Almost surely, 2^135929640959 is an apocalyptic number.

135929640959 is a deficient number, since it is larger than the sum of its proper divisors (19773904129).

135929640959 is a wasteful number, since it uses less digits than its factorization.

135929640959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214.

The product of its (nonzero) digits is 23619600, while the sum is 62.

The spelling of 135929640959 in words is "one hundred thirty-five billion, nine hundred twenty-nine million, six hundred forty thousand, nine hundred fifty-nine".