133956250715 has 32 divisors (see below), whose sum is σ = 197327040000. Its totient is φ = 87021182304.

The previous prime is 133956250679. The next prime is 133956250751. The reversal of 133956250715 is 517052659331.

It is an interprime number because it is at equal distance from previous prime (133956250679) and next prime (133956250751).

It is not a de Polignac number, because 133956250715 - 2⁸ = 133956250459 is a prime.

It is a super-2 number, since 2×133956250715² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133956250715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022905 + ... + 2088074.

It is an arithmetic number, because the mean of its divisors is an integer number (6166470000).

Almost surely, 2^133956250715 is an apocalyptic number.

133956250715 is a deficient number, since it is larger than the sum of its proper divisors (63370789285).

133956250715 is an equidigital number, since it uses as much as digits as its factorization.

133956250715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111024 (or 4111010 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 133956250715 in words is "one hundred thirty-three billion, nine hundred fifty-six million, two hundred fifty thousand, seven hundred fifteen".