133756265525 has 12 divisors (see below), whose sum is σ = 166240826052. Its totient is φ = 106757879040.

The previous prime is 133756265521. The next prime is 133756265527. The reversal of 133756265525 is 525562657331.

It can be written as a sum of positive squares in 6 ways, for example, as 53022430756 + 80733834769 = 230266^2 + 284137^2 .

It is not a de Polignac number, because 133756265525 - 2² = 133756265521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133756265521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6167294 + ... + 6188943.

It is an arithmetic number, because the mean of its divisors is an integer number (13853402171).

Almost surely, 2^133756265525 is an apocalyptic number.

It is an amenable number.

133756265525 is a deficient number, since it is larger than the sum of its proper divisors (32484560527).

133756265525 is a wasteful number, since it uses less digits than its factorization.

133756265525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12356680 (or 12356675 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 50.

The spelling of 133756265525 in words is "one hundred thirty-three billion, seven hundred fifty-six million, two hundred sixty-five thousand, five hundred twenty-five".