133912370 has 8 divisors (see below), whose sum is σ = 241042284. Its totient is φ = 53564944.

The previous prime is 133912367. The next prime is 133912379. The reversal of 133912370 is 73219331.

It can be written as a sum of positive squares in 2 ways, for example, as 108014449 + 25897921 = 10393^2 + 5089^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133912379) 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, 6695609 + ... + 6695628.

Almost surely, 2^133912370 is an apocalyptic number.

133912370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133912370 is a deficient number, since it is larger than the sum of its proper divisors (107129914).

133912370 is a wasteful number, since it uses less digits than its factorization.

133912370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391244.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 133912370 is about 11572.0512442695. The cubic root of 133912370 is about 511.6114223914.

The spelling of 133912370 in words is "one hundred thirty-three million, nine hundred twelve thousand, three hundred seventy".