139861711024 has 80 divisors (see below), whose sum is σ = 334098312768. Its totient is φ = 55350337536.

The previous prime is 139861711001. The next prime is 139861711049. The reversal of 139861711024 is 420117168931.

It is a happy number.

It is a super-2 number, since 2×139861711024² (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 15 ways as a sum of consecutive naturals, for example, 592077 + ... + 793900.

Almost surely, 2^139861711024 is an apocalyptic number.

139861711024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139861711024 is an abundant number, since it is smaller than the sum of its proper divisors (194236601744).

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

139861711024 is a wasteful number, since it uses less digits than its factorization.

139861711024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386062 (or 1386056 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

Adding to 139861711024 its reverse (420117168931), we get a palindrome (559978879955).

The spelling of 139861711024 in words is "one hundred thirty-nine billion, eight hundred sixty-one million, seven hundred eleven thousand, twenty-four".