137687099280 has 80 divisors (see below), whose sum is σ = 426882421824. Its totient is φ = 36712051200.

The previous prime is 137687099239. The next prime is 137687099281. The reversal of 137687099280 is 82990786731.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (137687099281) 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, 2224755 + ... + 2285805.

Almost surely, 2^137687099280 is an apocalyptic number.

137687099280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137687099280 is an abundant number, since it is smaller than the sum of its proper divisors (289195322544).

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

137687099280 is a wasteful number, since it uses less digits than its factorization.

137687099280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70464 (or 70458 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 137687099280 in words is "one hundred thirty-seven billion, six hundred eighty-seven million, ninety-nine thousand, two hundred eighty".