135515100402 has 48 divisors (see below), whose sum is σ = 320554102752. Its totient is φ = 41033684160.

The previous prime is 135515100379. The next prime is 135515100437. The reversal of 135515100402 is 204001515531.

135515100402 is a `hidden beast` number, since 1 + 3 + 5 + 515 + 100 + 40 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3043 + ... + 520614.

It is an arithmetic number, because the mean of its divisors is an integer number (6678210474).

Almost surely, 2^135515100402 is an apocalyptic number.

135515100402 is an abundant number, since it is smaller than the sum of its proper divisors (185039002350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135515100402 is a wasteful number, since it uses less digits than its factorization.

135515100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524983 (or 524980 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 135515100402 its reverse (204001515531), we get a palindrome (339516615933).

The spelling of 135515100402 in words is "one hundred thirty-five billion, five hundred fifteen million, one hundred thousand, four hundred two".