137270893840 has 20 divisors (see below), whose sum is σ = 319154828364. Its totient is φ = 54908357504.

The previous prime is 137270893807. The next prime is 137270893843. The reversal of 137270893840 is 48398072731.

It can be written as a sum of positive squares in 2 ways, for example, as 28075013136 + 109195880704 = 167556^2 + 330448^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (137270893843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857943007 + ... + 857943166.

Almost surely, 2^137270893840 is an apocalyptic number.

137270893840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137270893840 is an abundant number, since it is smaller than the sum of its proper divisors (181883934524).

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

137270893840 is a wasteful number, since it uses less digits than its factorization.

137270893840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715886186 (or 1715886180 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 137270893840 in words is "one hundred thirty-seven billion, two hundred seventy million, eight hundred ninety-three thousand, eight hundred forty".