137599812 has 36 divisors (see below), whose sum is σ = 397511296. Its totient is φ = 39314160.

The previous prime is 137599811. The next prime is 137599849. The reversal of 137599812 is 218995731.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (137599811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272764 + ... + 273267.

Almost surely, 2^137599812 is an apocalyptic number.

137599812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137599812 is an abundant number, since it is smaller than the sum of its proper divisors (259911484).

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

137599812 is a wasteful number, since it uses less digits than its factorization.

137599812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546048 (or 546043 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 137599812 is about 11730.2946254559. The cubic root of 137599812 is about 516.2649171487.

The spelling of 137599812 in words is "one hundred thirty-seven million, five hundred ninety-nine thousand, eight hundred twelve".