133231474572 has 24 divisors (see below), whose sum is σ = 355283932416. Its totient is φ = 38066135568.

The previous prime is 133231474559. The next prime is 133231474577. The reversal of 133231474572 is 275474132331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (133231474577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793044408 + ... + 793044575.

It is an arithmetic number, because the mean of its divisors is an integer number (14803497184).

Almost surely, 2^133231474572 is an apocalyptic number.

133231474572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133231474572 is an abundant number, since it is smaller than the sum of its proper divisors (222052457844).

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

133231474572 is a wasteful number, since it uses less digits than its factorization.

133231474572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586088997 (or 1586088995 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The spelling of 133231474572 in words is "one hundred thirty-three billion, two hundred thirty-one million, four hundred seventy-four thousand, five hundred seventy-two".