137875812 has 12 divisors (see below), whose sum is σ = 321710256. Its totient is φ = 45958600.

The previous prime is 137875811. The next prime is 137875819. The reversal of 137875812 is 218578731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (137875811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744814 + ... + 5744837.

It is an arithmetic number, because the mean of its divisors is an integer number (26809188).

Almost surely, 2^137875812 is an apocalyptic number.

137875812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137875812 is an abundant number, since it is smaller than the sum of its proper divisors (183834444).

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

137875812 is a wasteful number, since it uses less digits than its factorization.

137875812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489658 (or 11489656 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The square root of 137875812 is about 11742.0531424449. The cubic root of 137875812 is about 516.6098642144.

The spelling of 137875812 in words is "one hundred thirty-seven million, eight hundred seventy-five thousand, eight hundred twelve".