137242530500 has 24 divisors (see below), whose sum is σ = 299737687704. Its totient is φ = 54897012000.

The previous prime is 137242530487. The next prime is 137242530517. The reversal of 137242530500 is 5035242731.

It can be written as a sum of positive squares in 4 ways, for example, as 18960188416 + 118282342084 = 137696^2 + 343922^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137242031 + ... + 137243030.

It is an arithmetic number, because the mean of its divisors is an integer number (12489070321).

Almost surely, 2^137242530500 is an apocalyptic number.

137242530500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137242530500 is an abundant number, since it is smaller than the sum of its proper divisors (162495157204).

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

137242530500 is a wasteful number, since it uses less digits than its factorization.

137242530500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274485080 (or 274485068 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 137242530500 in words is "one hundred thirty-seven billion, two hundred forty-two million, five hundred thirty thousand, five hundred".