139477130420 has 24 divisors (see below), whose sum is σ = 292908989184. Its totient is φ = 55789515936.

The previous prime is 139477130399. The next prime is 139477130447. The reversal of 139477130420 is 24031774931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609109 + ... + 1693571.

It is an arithmetic number, because the mean of its divisors is an integer number (12204541216).

Almost surely, 2^139477130420 is an apocalyptic number.

139477130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139477130420 is an abundant number, since it is smaller than the sum of its proper divisors (153431858764).

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

139477130420 is a wasteful number, since it uses less digits than its factorization.

139477130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167039 (or 167037 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 139477130420 in words is "one hundred thirty-nine billion, four hundred seventy-seven million, one hundred thirty thousand, four hundred twenty".