133939402275 has 144 divisors (see below), whose sum is σ = 267741196800. Its totient is φ = 57868369920.

The previous prime is 133939402253. The next prime is 133939402321. The reversal of 133939402275 is 572204939331.

It is not a de Polignac number, because 133939402275 - 2⁷ = 133939402147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 145744266 + ... + 145745184.

Almost surely, 2^133939402275 is an apocalyptic number.

133939402275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133939402275 is a deficient number, since it is larger than the sum of its proper divisors (133801794525).

133939402275 is a wasteful number, since it uses less digits than its factorization.

133939402275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 48.

The spelling of 133939402275 in words is "one hundred thirty-three billion, nine hundred thirty-nine million, four hundred two thousand, two hundred seventy-five".