133151456 has 24 divisors (see below), whose sum is σ = 269229240. Its totient is φ = 64775808.

The previous prime is 133151401. The next prime is 133151509. The reversal of 133151456 is 654151331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55046 + ... + 57413.

It is an arithmetic number, because the mean of its divisors is an integer number (11217885).

Almost surely, 2^133151456 is an apocalyptic number.

133151456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133151456 is an abundant number, since it is smaller than the sum of its proper divisors (136077784).

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

133151456 is a wasteful number, since it uses less digits than its factorization.

133151456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112506 (or 112498 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 133151456 is about 11539.1271766976. The cubic root of 133151456 is about 510.6405587012.

The spelling of 133151456 in words is "one hundred thirty-three million, one hundred fifty-one thousand, four hundred fifty-six".