139518555010 has 8 divisors (see below), whose sum is σ = 251133399036. Its totient is φ = 55807422000.

The previous prime is 139518554993. The next prime is 139518555073. The reversal of 139518555010 is 10555815931.

It can be written as a sum of positive squares in 2 ways, for example, as 139114826361 + 403728649 = 372981^2 + 20093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×139518555010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6975927741 + ... + 6975927760.

Almost surely, 2^139518555010 is an apocalyptic number.

139518555010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139518555010 is a deficient number, since it is larger than the sum of its proper divisors (111614844026).

139518555010 is a wasteful number, since it uses less digits than its factorization.

139518555010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951855508.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 139518555010 in words is "one hundred thirty-nine billion, five hundred eighteen million, five hundred fifty-five thousand, ten".