133138795 has 8 divisors (see below), whose sum is σ = 168175440. Its totient is φ = 100905120.

The previous prime is 133138771. The next prime is 133138829. The reversal of 133138795 is 597831331.

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

It is not a de Polignac number, because 133138795 - 2⁷ = 133138667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700636 + ... + 700825.

It is an arithmetic number, because the mean of its divisors is an integer number (21021930).

Almost surely, 2^133138795 is an apocalyptic number.

133138795 is a deficient number, since it is larger than the sum of its proper divisors (35036645).

133138795 is a wasteful number, since it uses less digits than its factorization.

133138795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401485.

The product of its digits is 68040, while the sum is 40.

The square root of 133138795 is about 11538.5785519708. The cubic root of 133138795 is about 510.6243730601.

The spelling of 133138795 in words is "one hundred thirty-three million, one hundred thirty-eight thousand, seven hundred ninety-five".