15139649241 has 12 divisors (see below), whose sum is σ = 21870306900. Its totient is φ = 10092211200.

The previous prime is 15139649209. The next prime is 15139649257. The reversal of 15139649241 is 14294693151.

15139649241 is a `hidden beast` number, since 1 + 513 + 9 + 6 + 4 + 92 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11706158025 + 3433491216 = 108195^2 + 58596^2 .

It is not a de Polignac number, because 15139649241 - 2⁵ = 15139649209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15139649341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43785 + ... + 179433.

It is an arithmetic number, because the mean of its divisors is an integer number (1822525575).

Almost surely, 2^15139649241 is an apocalyptic number.

It is an amenable number.

15139649241 is a deficient number, since it is larger than the sum of its proper divisors (6730657659).

15139649241 is a wasteful number, since it uses less digits than its factorization.

15139649241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148056 (or 148053 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 15139649241 in words is "fifteen billion, one hundred thirty-nine million, six hundred forty-nine thousand, two hundred forty-one".