137377854920 has 16 divisors (see below), whose sum is σ = 309100173660. Its totient is φ = 54951141952.

The previous prime is 137377854869. The next prime is 137377854973. The reversal of 137377854920 is 29458773731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136505125156 + 872729764 = 369466^2 + 29542^2 .

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, 1717223147 + ... + 1717223226.

Almost surely, 2^137377854920 is an apocalyptic number.

137377854920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137377854920 is an abundant number, since it is smaller than the sum of its proper divisors (171722318740).

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

137377854920 is a wasteful number, since it uses less digits than its factorization.

137377854920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434446384 (or 3434446380 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 137377854920 in words is "one hundred thirty-seven billion, three hundred seventy-seven million, eight hundred fifty-four thousand, nine hundred twenty".