15140115434 has 16 divisors (see below), whose sum is σ = 23891479200. Its totient is φ = 7185137904.

The previous prime is 15140115421. The next prime is 15140115443. The reversal of 15140115434 is 43451104151.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 15140115397 and 15140115406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208752 + ... + 2215595.

It is an arithmetic number, because the mean of its divisors is an integer number (1493217450).

Almost surely, 2^15140115434 is an apocalyptic number.

15140115434 is a deficient number, since it is larger than the sum of its proper divisors (8751363766).

15140115434 is a wasteful number, since it uses less digits than its factorization.

15140115434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424437.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 15140115434 its reverse (43451104151), we get a palindrome (58591219585).

The spelling of 15140115434 in words is "fifteen billion, one hundred forty million, one hundred fifteen thousand, four hundred thirty-four".