15140115402 has 16 divisors (see below), whose sum is σ = 30706713792. Its totient is φ = 4975624640.

The previous prime is 15140115379. The next prime is 15140115421. The reversal of 15140115402 is 20451104151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17769663 + ... + 17770514.

It is an arithmetic number, because the mean of its divisors is an integer number (1919169612).

Almost surely, 2^15140115402 is an apocalyptic number.

15140115402 is an abundant number, since it is smaller than the sum of its proper divisors (15566598390).

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

15140115402 is a wasteful number, since it uses less digits than its factorization.

15140115402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35540253.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 15140115402 its reverse (20451104151), we get a palindrome (35591219553).

The spelling of 15140115402 in words is "fifteen billion, one hundred forty million, one hundred fifteen thousand, four hundred two".