133515232315240 has 64 divisors (see below), whose sum is σ = 307397749982400. Its totient is φ = 52163714867712.

The previous prime is 133515232315237. The next prime is 133515232315243. The reversal of 133515232315240 is 42513232515331.

It is an interprime number because it is at equal distance from previous prime (133515232315237) and next prime (133515232315243).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 133515232315193 and 133515232315202.

It is not an unprimeable number, because it can be changed into a prime (133515232315243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438807399 + ... + 439111561.

It is an arithmetic number, because the mean of its divisors is an integer number (4803089843475).

Almost surely, 2^{133515232315240} is an apocalyptic number.

133515232315240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133515232315240 is an abundant number, since it is smaller than the sum of its proper divisors (173882517667160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133515232315240 is a wasteful number, since it uses less digits than its factorization.

133515232315240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559426 (or 559422 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 133515232315240 in words is "one hundred thirty-three trillion, five hundred fifteen billion, two hundred thirty-two million, three hundred fifteen thousand, two hundred forty".