136137880 has 32 divisors (see below), whose sum is σ = 309031200. Its totient is φ = 53971456.

The previous prime is 136137877. The next prime is 136137893. The reversal of 136137880 is 88731631.

It is a super-3 number, since 3×136137880³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10540 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (9657225).

Almost surely, 2^136137880 is an apocalyptic number.

136137880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136137880 is an abundant number, since it is smaller than the sum of its proper divisors (172893320).

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

136137880 is a wasteful number, since it uses less digits than its factorization.

136137880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30243 (or 30239 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 136137880 is about 11667.8138483608. The cubic root of 136137880 is about 514.4300478196.

The spelling of 136137880 in words is "one hundred thirty-six million, one hundred thirty-seven thousand, eight hundred eighty".