315144002140 has 24 divisors (see below), whose sum is σ = 721966259952. Its totient is φ = 114597818880.

The previous prime is 315144002099. The next prime is 315144002149. The reversal of 315144002140 is 41200441513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315144002149) 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 7 ways as a sum of consecutive naturals, for example, 716236149 + ... + 716236588.

It is an arithmetic number, because the mean of its divisors is an integer number (30081927498).

Almost surely, 2^315144002140 is an apocalyptic number.

It is an amenable number.

315144002140 is an abundant number, since it is smaller than the sum of its proper divisors (406822257812).

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

315144002140 is a wasteful number, since it uses less digits than its factorization.

315144002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432472757 (or 1432472755 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 315144002140 its reverse (41200441513), we get a palindrome (356344443653).

The spelling of 315144002140 in words is "three hundred fifteen billion, one hundred forty-four million, two thousand, one hundred forty".