133957272 has 16 divisors (see below), whose sum is σ = 334893240. Its totient is φ = 44652416.

The previous prime is 133957253. The next prime is 133957283. The reversal of 133957272 is 272759331.

It is a self number, because there is not a number n which added to its sum of digits gives 133957272.

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, 2790753 + ... + 2790800.

Almost surely, 2^133957272 is an apocalyptic number.

133957272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133957272 is an abundant number, since it is smaller than the sum of its proper divisors (200935968).

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

133957272 is a wasteful number, since it uses less digits than its factorization.

133957272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581562 (or 5581558 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 133957272 is about 11573.9911871402. The cubic root of 133957272 is about 511.6685986103.

The spelling of 133957272 in words is "one hundred thirty-three million, nine hundred fifty-seven thousand, two hundred seventy-two".