139988149560 has 448 divisors, whose sum is σ = 557142497280. Its totient is φ = 30963720960.

The previous prime is 139988149507. The next prime is 139988149577. The reversal of 139988149560 is 65941889931.

139988149560 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 8 + 81 + 495 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 6316659 + ... + 6338781.

Almost surely, 2^139988149560 is an apocalyptic number.

139988149560 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 139988149560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278571248640).

139988149560 is an abundant number, since it is smaller than the sum of its proper divisors (417154347720).

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

139988149560 is a wasteful number, since it uses less digits than its factorization.

139988149560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22190 (or 22171 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

It can be divided in two parts, 1399881 and 49560, that added together give a palindrome (1449441).

The spelling of 139988149560 in words is "one hundred thirty-nine billion, nine hundred eighty-eight million, one hundred forty-nine thousand, five hundred sixty".