60139134720 has 864 divisors, whose sum is σ = 262981857600. Its totient is φ = 12931301376.

The previous prime is 60139134719. The next prime is 60139134749. The reversal of 60139134720 is 2743193106.

60139134720 is a `hidden beast` number, since 601 + 3 + 9 + 1 + 3 + 47 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28787436 + ... + 28789524.

It is an arithmetic number, because the mean of its divisors is an integer number (304377150).

Almost surely, 2^60139134720 is an apocalyptic number.

60139134720 is a gapful number since it is divisible by the number (60) 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 60139134720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131490928800).

60139134720 is an abundant number, since it is smaller than the sum of its proper divisors (202842722880).

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

60139134720 is a wasteful number, since it uses less digits than its factorization.

60139134720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 60139134720 in words is "sixty billion, one hundred thirty-nine million, one hundred thirty-four thousand, seven hundred twenty".