133379391057 has 24 divisors (see below), whose sum is σ = 203975107392. Its totient is φ = 77321381280.

The previous prime is 133379391017. The next prime is 133379391071. The reversal of 133379391057 is 750193973331.

It is not a de Polignac number, because 133379391057 - 2¹⁰ = 133379390033 is a prime.

It is a super-2 number, since 2×133379391057² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133379391017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7979398 + ... + 7996095.

It is an arithmetic number, because the mean of its divisors is an integer number (8498962808).

Almost surely, 2^133379391057 is an apocalyptic number.

It is an amenable number.

133379391057 is a deficient number, since it is larger than the sum of its proper divisors (70595716335).

133379391057 is a wasteful number, since it uses less digits than its factorization.

133379391057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975541 (or 15975530 counting only the distinct ones).

The product of its (nonzero) digits is 1607445, while the sum is 51.

The spelling of 133379391057 in words is "one hundred thirty-three billion, three hundred seventy-nine million, three hundred ninety-one thousand, fifty-seven".