133531532602025 has 12 divisors (see below), whose sum is σ = 165587547654672. Its totient is φ = 106819776257040.

The previous prime is 133531532602001. The next prime is 133531532602063. The reversal of 133531532602025 is 520206235135331.

It is not a de Polignac number, because 133531532602025 - 2²⁰ = 133531531553449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135745739 + ... + 136725888.

It is an arithmetic number, because the mean of its divisors is an integer number (13798962304556).

Almost surely, 2^{133531532602025} is an apocalyptic number.

It is an amenable number.

133531532602025 is a deficient number, since it is larger than the sum of its proper divisors (32056015052647).

133531532602025 is a wasteful number, since it uses less digits than its factorization.

133531532602025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272491240 (or 272491235 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 133531532602025 its reverse (520206235135331), we get a palindrome (653737767737356).

The spelling of 133531532602025 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, five hundred thirty-two million, six hundred two thousand, twenty-five".