15237134540 has 12 divisors (see below), whose sum is σ = 31997982576. Its totient is φ = 6094853808.

The previous prime is 15237134537. The next prime is 15237134543. The reversal of 15237134540 is 4543173251.

It is an interprime number because it is at equal distance from previous prime (15237134537) and next prime (15237134543).

It is a super-2 number, since 2×15237134540² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15237134540.

It is not an unprimeable number, because it can be changed into a prime (15237134543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380928344 + ... + 380928383.

It is an arithmetic number, because the mean of its divisors is an integer number (2666498548).

Almost surely, 2^15237134540 is an apocalyptic number.

15237134540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15237134540 is an abundant number, since it is smaller than the sum of its proper divisors (16760848036).

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

15237134540 is a wasteful number, since it uses less digits than its factorization.

15237134540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761856736 (or 761856734 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 15237134540 in words is "fifteen billion, two hundred thirty-seven million, one hundred thirty-four thousand, five hundred forty".