133525625440 has 48 divisors (see below), whose sum is σ = 325630247040. Its totient is φ = 51687336960.

The previous prime is 133525625399. The next prime is 133525625473. The reversal of 133525625440 is 44526525331.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 133525625393 and 133525625402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13455285 + ... + 13465204.

It is an arithmetic number, because the mean of its divisors is an integer number (6783963480).

Almost surely, 2^133525625440 is an apocalyptic number.

133525625440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133525625440 is an abundant number, since it is smaller than the sum of its proper divisors (192104621600).

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

133525625440 is a wasteful number, since it uses less digits than its factorization.

133525625440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26920535 (or 26920527 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 133525625440 in words is "one hundred thirty-three billion, five hundred twenty-five million, six hundred twenty-five thousand, four hundred forty".