15143957136 has 240 divisors, whose sum is σ = 55948883328. Its totient is φ = 3702067200.

The previous prime is 15143957077. The next prime is 15143957159. The reversal of 15143957136 is 63175934151.

15143957136 is a `hidden beast` number, since 1 + 5 + 1 + 43 + 9 + 571 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15143957091 and 15143957100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148326 + ... + 228666.

Almost surely, 2^15143957136 is an apocalyptic number.

15143957136 is a gapful number since it is divisible by the number (16) 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 15143957136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27974441664).

15143957136 is an abundant number, since it is smaller than the sum of its proper divisors (40804926192).

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

15143957136 is a wasteful number, since it uses less digits than its factorization.

15143957136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80390 (or 80381 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

It can be divided in two parts, 15143 and 957136, that added together give a palindrome (972279).

The spelling of 15143957136 in words is "fifteen billion, one hundred forty-three million, nine hundred fifty-seven thousand, one hundred thirty-six".