133972190 has 32 divisors (see below), whose sum is σ = 270190944. Its totient is φ = 47399040.

The previous prime is 133972177. The next prime is 133972213. The reversal of 133972190 is 91279331.

It is a super-2 number, since 2×133972190² = 35897095386792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133972190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12389 + ... + 20528.

It is an arithmetic number, because the mean of its divisors is an integer number (8443467).

Almost surely, 2^133972190 is an apocalyptic number.

133972190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133972190 is an abundant number, since it is smaller than the sum of its proper divisors (136218754).

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

133972190 is a wasteful number, since it uses less digits than its factorization.

133972190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32972.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 133972190 is about 11574.6356314141. The cubic root of 133972190 is about 511.6875917034.

The spelling of 133972190 in words is "one hundred thirty-three million, nine hundred seventy-two thousand, one hundred ninety".