15135319740 has 192 divisors, whose sum is σ = 46360968192. Its totient is φ = 3678259200.

The previous prime is 15135319739. The next prime is 15135319777. The reversal of 15135319740 is 4791353151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2429830 + ... + 2436050.

It is an arithmetic number, because the mean of its divisors is an integer number (241463376).

Almost surely, 2^15135319740 is an apocalyptic number.

15135319740 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 15135319740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23180484096).

15135319740 is an abundant number, since it is smaller than the sum of its proper divisors (31225648452).

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

15135319740 is a wasteful number, since it uses less digits than its factorization.

15135319740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 15135319740 in words is "fifteen billion, one hundred thirty-five million, three hundred nineteen thousand, seven hundred forty".