137831916228 has 12 divisors (see below), whose sum is σ = 321607804560. Its totient is φ = 45943972072.

The previous prime is 137831916203. The next prime is 137831916241. The reversal of 137831916228 is 822619138731.

137831916228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5742996498 + ... + 5742996521.

It is an arithmetic number, because the mean of its divisors is an integer number (26800650380).

Almost surely, 2^137831916228 is an apocalyptic number.

It is an amenable number.

137831916228 is an abundant number, since it is smaller than the sum of its proper divisors (183775888332).

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

137831916228 is a wasteful number, since it uses less digits than its factorization.

137831916228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485993026 (or 11485993024 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The spelling of 137831916228 in words is "one hundred thirty-seven billion, eight hundred thirty-one million, nine hundred sixteen thousand, two hundred twenty-eight".