15135450132 has 96 divisors (see below), whose sum is σ = 40852546560. Its totient is φ = 4310392320.

The previous prime is 15135450089. The next prime is 15135450133. The reversal of 15135450132 is 23105453151.

It is a self number, because there is not a number n which added to its sum of digits gives 15135450132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135450133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1653753 + ... + 1662879.

It is an arithmetic number, because the mean of its divisors is an integer number (425547360).

Almost surely, 2^15135450132 is an apocalyptic number.

15135450132 is a gapful number since it is divisible by the number (12) 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 15135450132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20426273280).

15135450132 is an abundant number, since it is smaller than the sum of its proper divisors (25717096428).

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

15135450132 is a wasteful number, since it uses less digits than its factorization.

15135450132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 15135450132 in words is "fifteen billion, one hundred thirty-five million, four hundred fifty thousand, one hundred thirty-two".