139291360500 has 48 divisors (see below), whose sum is σ = 405616446144. Its totient is φ = 37144362400.

The previous prime is 139291360489. The next prime is 139291360567. The reversal of 139291360500 is 5063192931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46428954 + ... + 46431953.

It is an arithmetic number, because the mean of its divisors is an integer number (8450342628).

Almost surely, 2^139291360500 is an apocalyptic number.

139291360500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139291360500 is an abundant number, since it is smaller than the sum of its proper divisors (266325085644).

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

139291360500 is a wasteful number, since it uses less digits than its factorization.

139291360500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92860929 (or 92860917 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 139291360500 in words is "one hundred thirty-nine billion, two hundred ninety-one million, three hundred sixty thousand, five hundred".