137604998420 has 24 divisors (see below), whose sum is σ = 289346303400. Its totient is φ = 54970417152.

The previous prime is 137604998413. The next prime is 137604998429. The reversal of 137604998420 is 24899406731.

It can be written as a sum of positive squares in 4 ways, for example, as 9363658756 + 128241339664 = 96766^2 + 358108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137604998429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458125 + ... + 4488884.

It is an arithmetic number, because the mean of its divisors is an integer number (12056095975).

Almost surely, 2^137604998420 is an apocalyptic number.

137604998420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137604998420 is an abundant number, since it is smaller than the sum of its proper divisors (151741304980).

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

137604998420 is a wasteful number, since it uses less digits than its factorization.

137604998420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947787 (or 8947785 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 137604998420 in words is "one hundred thirty-seven billion, six hundred four million, nine hundred ninety-eight thousand, four hundred twenty".