139919480840 has 64 divisors (see below), whose sum is σ = 327455377920. Its totient is φ = 53748864000.

The previous prime is 139919480839. The next prime is 139919480843. The reversal of 139919480840 is 48084919931.

It is a super-2 number, since 2×139919480840² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139919480843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268241 + ... + 593120.

It is an arithmetic number, because the mean of its divisors is an integer number (5116490280).

Almost surely, 2^139919480840 is an apocalyptic number.

139919480840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139919480840 is an abundant number, since it is smaller than the sum of its proper divisors (187535897080).

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

139919480840 is a wasteful number, since it uses less digits than its factorization.

139919480840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861534 (or 861530 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 139919480840 in words is "one hundred thirty-nine billion, nine hundred nineteen million, four hundred eighty thousand, eight hundred forty".