133255512542 has 16 divisors (see below), whose sum is σ = 201737215680. Its totient is φ = 66009896352.

The previous prime is 133255512529. The next prime is 133255512547. The reversal of 133255512542 is 245215552331.

It is a super-2 number, since 2×133255512542² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133255512496 and 133255512505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133255512547) 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, 2725403 + ... + 2773865.

It is an arithmetic number, because the mean of its divisors is an integer number (12608575980).

Almost surely, 2^133255512542 is an apocalyptic number.

133255512542 is a deficient number, since it is larger than the sum of its proper divisors (68481703138).

133255512542 is a wasteful number, since it uses less digits than its factorization.

133255512542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61187.

The product of its digits is 180000, while the sum is 38.

The spelling of 133255512542 in words is "one hundred thirty-three billion, two hundred fifty-five million, five hundred twelve thousand, five hundred forty-two".