139472791920 has 1600 divisors, whose sum is σ = 637179789312. Its totient is φ = 27433728000.

The previous prime is 139472791919. The next prime is 139472791937. The reversal of 139472791920 is 29197274931.

It is a happy number.

139472791920 is a `hidden beast` number, since 13 + 9 + 472 + 79 + 1 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1098210897 + ... + 1098211023.

Almost surely, 2^139472791920 is an apocalyptic number.

139472791920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139472791920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318589894656).

139472791920 is an abundant number, since it is smaller than the sum of its proper divisors (497706997392).

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

139472791920 is a wasteful number, since it uses less digits than its factorization.

139472791920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 139472791920 in words is "one hundred thirty-nine billion, four hundred seventy-two million, seven hundred ninety-one thousand, nine hundred twenty".