137439373680 has 240 divisors, whose sum is σ = 558535483584. Its totient is φ = 29566771200.

The previous prime is 137439373657. The next prime is 137439373703. The reversal of 137439373680 is 86373934731.

137439373680 is a `hidden beast` number, since 137 + 439 + 3 + 73 + 6 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (137439373657) and next prime (137439373703).

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 716371 + ... + 887730.

Almost surely, 2^137439373680 is an apocalyptic number.

137439373680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137439373680 is an abundant number, since it is smaller than the sum of its proper divisors (421096109904).

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

137439373680 is a wasteful number, since it uses less digits than its factorization.

137439373680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604144 (or 1604135 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 137439373680 in words is "one hundred thirty-seven billion, four hundred thirty-nine million, three hundred seventy-three thousand, six hundred eighty".