137158772212 has 72 divisors (see below), whose sum is σ = 317392349120. Its totient is φ = 50625907200.

The previous prime is 137158772209. The next prime is 137158772237. The reversal of 137158772212 is 212277851731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000989 + ... + 1129732.

Almost surely, 2^137158772212 is an apocalyptic number.

It is an amenable number.

137158772212 is an abundant number, since it is smaller than the sum of its proper divisors (180233576908).

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

137158772212 is a wasteful number, since it uses less digits than its factorization.

137158772212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130773 (or 2130760 counting only the distinct ones).

The product of its digits is 329280, while the sum is 46.

The spelling of 137158772212 in words is "one hundred thirty-seven billion, one hundred fifty-eight million, seven hundred seventy-two thousand, two hundred twelve".