139377157920 has 1536 divisors, whose sum is σ = 662311157760. Its totient is φ = 26435911680.

The previous prime is 139377157877. The next prime is 139377157951. The reversal of 139377157920 is 29751773931.

139377157920 is a `hidden beast` number, since 1 + 39 + 37 + 7 + 1 + 579 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 722161344 + ... + 722161536.

It is an arithmetic number, because the mean of its divisors is an integer number (431192160).

Almost surely, 2^139377157920 is an apocalyptic number.

139377157920 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 139377157920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331155578880).

139377157920 is an abundant number, since it is smaller than the sum of its proper divisors (522933999840).

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

139377157920 is a wasteful number, since it uses less digits than its factorization.

139377157920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2500470, while the sum is 54.

The spelling of 139377157920 in words is "one hundred thirty-nine billion, three hundred seventy-seven million, one hundred fifty-seven thousand, nine hundred twenty".