133560072451 has 16 divisors (see below), whose sum is σ = 148611879360. Its totient is φ = 119256359040.

The previous prime is 133560072421. The next prime is 133560072461. The reversal of 133560072451 is 154270065331.

It is not a de Polignac number, because 133560072451 - 2⁷ = 133560072323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133560072451.

It is not an unprimeable number, because it can be changed into a prime (133560072421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316196 + ... + 1414033.

It is an arithmetic number, because the mean of its divisors is an integer number (9288242460).

Almost surely, 2^133560072451 is an apocalyptic number.

133560072451 is a deficient number, since it is larger than the sum of its proper divisors (15051806909).

133560072451 is a wasteful number, since it uses less digits than its factorization.

133560072451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730366.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 133560072451 in words is "one hundred thirty-three billion, five hundred sixty million, seventy-two thousand, four hundred fifty-one".