133965190 has 8 divisors (see below), whose sum is σ = 241137360. Its totient is φ = 53586072.

The previous prime is 133965187. The next prime is 133965191. The reversal of 133965190 is 91569331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133965190² = 35893344263472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133965191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6698250 + ... + 6698269.

It is an arithmetic number, because the mean of its divisors is an integer number (30142170).

Almost surely, 2^133965190 is an apocalyptic number.

133965190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133965190 is a deficient number, since it is larger than the sum of its proper divisors (107172170).

133965190 is a wasteful number, since it uses less digits than its factorization.

133965190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13396526.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 133965190 is about 11574.3332421354. Note that the first 3 decimals coincide. The cubic root of 133965190 is about 511.6786797157.

The spelling of 133965190 in words is "one hundred thirty-three million, nine hundred sixty-five thousand, one hundred ninety".