15140421302 has 4 divisors (see below), whose sum is σ = 22710631956. Its totient is φ = 7570210650.

The previous prime is 15140421271. The next prime is 15140421313. The reversal of 15140421302 is 20312404151.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3785105324 + ... + 3785105327.

It is an arithmetic number, because the mean of its divisors is an integer number (5677657989).

Almost surely, 2^15140421302 is an apocalyptic number.

15140421302 is a deficient number, since it is larger than the sum of its proper divisors (7570210654).

15140421302 is an equidigital number, since it uses as much as digits as its factorization.

15140421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570210653.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 15140421302 its reverse (20312404151), we get a palindrome (35452825453).

The spelling of 15140421302 in words is "fifteen billion, one hundred forty million, four hundred twenty-one thousand, three hundred two".