139368482420 has 48 divisors (see below), whose sum is σ = 303801055488. Its totient is φ = 53666808960.

The previous prime is 139368482413. The next prime is 139368482423. The reversal of 139368482420 is 24284863931.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139368482423) 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, 1157942 + ... + 1272621.

It is an arithmetic number, because the mean of its divisors is an integer number (6329188656).

Almost surely, 2^139368482420 is an apocalyptic number.

139368482420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139368482420 is an abundant number, since it is smaller than the sum of its proper divisors (164432573068).

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

139368482420 is a wasteful number, since it uses less digits than its factorization.

139368482420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430680 (or 2430678 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 139368482420 in words is "one hundred thirty-nine billion, three hundred sixty-eight million, four hundred eighty-two thousand, four hundred twenty".