15135500140 has 72 divisors (see below), whose sum is σ = 33645731616. Its totient is φ = 5715705600.

The previous prime is 15135500119. The next prime is 15135500141. The reversal of 15135500140 is 4100553151.

It is a happy number.

15135500140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15135500141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778417 + ... + 797623.

It is an arithmetic number, because the mean of its divisors is an integer number (467301828).

Almost surely, 2^15135500140 is an apocalyptic number.

15135500140 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 15135500140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16822865808).

15135500140 is an abundant number, since it is smaller than the sum of its proper divisors (18510231476).

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

15135500140 is a wasteful number, since it uses less digits than its factorization.

15135500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319 (or 19286 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 15135500140 in words is "fifteen billion, one hundred thirty-five million, five hundred thousand, one hundred forty".