136970880 has 64 divisors (see below), whose sum is σ = 436600800. Its totient is φ = 36525056.

The previous prime is 136970863. The next prime is 136970893. The reversal of 136970880 is 88079631.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×136970880² = 37522043935948800, which 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 7 ways as a sum of consecutive naturals, for example, 33750 + ... + 37589.

Almost surely, 2^136970880 is an apocalyptic number.

136970880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136970880 is an abundant number, since it is smaller than the sum of its proper divisors (299629920).

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

136970880 is an equidigital number, since it uses as much as digits as its factorization.

136970880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71361 (or 71349 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 136970880 is about 11703.4558998614. The cubic root of 136970880 is about 515.4771460004.

The spelling of 136970880 in words is "one hundred thirty-six million, nine hundred seventy thousand, eight hundred eighty".