133673157215 has 64 divisors (see below), whose sum is σ = 185086218240. Its totient is φ = 91805736960.

The previous prime is 133673157179. The next prime is 133673157227. The reversal of 133673157215 is 512751376331.

It is not a de Polignac number, because 133673157215 - 2⁸ = 133673156959 is a prime.

It is a super-2 number, since 2×133673157215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37748345 + ... + 37751885.

It is an arithmetic number, because the mean of its divisors is an integer number (2891972160).

Almost surely, 2^133673157215 is an apocalyptic number.

133673157215 is a deficient number, since it is larger than the sum of its proper divisors (51413061025).

133673157215 is a wasteful number, since it uses less digits than its factorization.

133673157215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its digits is 396900, while the sum is 44.

The spelling of 133673157215 in words is "one hundred thirty-three billion, six hundred seventy-three million, one hundred fifty-seven thousand, two hundred fifteen".