137057366820 has 48 divisors (see below), whose sum is σ = 418647958848. Its totient is φ = 33226028160.

The previous prime is 137057366777. The next prime is 137057366839. The reversal of 137057366820 is 28663750731.

It is a self number, because there is not a number n which added to its sum of digits gives 137057366820.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103830679 + ... + 103831998.

It is an arithmetic number, because the mean of its divisors is an integer number (8721832476).

Almost surely, 2^137057366820 is an apocalyptic number.

137057366820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137057366820 is an abundant number, since it is smaller than the sum of its proper divisors (281590592028).

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

137057366820 is a wasteful number, since it uses less digits than its factorization.

137057366820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207662700 (or 207662698 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 137057366820 in words is "one hundred thirty-seven billion, fifty-seven million, three hundred sixty-six thousand, eight hundred twenty".