521416146136 has 32 divisors (see below), whose sum is σ = 1035217830240. Its totient is φ = 245359641088.

The previous prime is 521416146131. The next prime is 521416146149. The reversal of 521416146136 is 631641614125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521416146131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873085 + ... + 3049171.

It is an arithmetic number, because the mean of its divisors is an integer number (32350557195).

Almost surely, 2^521416146136 is an apocalyptic number.

It is an amenable number.

521416146136 is a deficient number, since it is larger than the sum of its proper divisors (513801684104).

521416146136 is a wasteful number, since it uses less digits than its factorization.

521416146136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197883 (or 197879 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 521416146136 in words is "five hundred twenty-one billion, four hundred sixteen million, one hundred forty-six thousand, one hundred thirty-six".