15140013144 has 32 divisors (see below), whose sum is σ = 38329152000. Its totient is φ = 4982788512.

The previous prime is 15140013139. The next prime is 15140013167. The reversal of 15140013144 is 44131004151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990724 + ... + 3994515.

It is an arithmetic number, because the mean of its divisors is an integer number (1197786000).

Almost surely, 2^15140013144 is an apocalyptic number.

It is an amenable number.

15140013144 is an abundant number, since it is smaller than the sum of its proper divisors (23189138856).

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

15140013144 is a wasteful number, since it uses less digits than its factorization.

15140013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985327 (or 7985323 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 15140013144 its reverse (44131004151), we get a palindrome (59271017295).

The spelling of 15140013144 in words is "fifteen billion, one hundred forty million, thirteen thousand, one hundred forty-four".