139443940944 has 180 divisors, whose sum is σ = 490231032928. Its totient is φ = 36219173760.

The previous prime is 139443940931. The next prime is 139443940963. The reversal of 139443940944 is 449049344931.

It is a super-2 number, since 2×139443940944² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 449674 + ... + 693609.

Almost surely, 2^139443940944 is an apocalyptic number.

139443940944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139443940944 is an abundant number, since it is smaller than the sum of its proper divisors (350787091984).

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

139443940944 is a wasteful number, since it uses less digits than its factorization.

139443940944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143326 (or 1143306 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 139443940944 in words is "one hundred thirty-nine billion, four hundred forty-three million, nine hundred forty thousand, nine hundred forty-four".