140615431264 has 96 divisors (see below), whose sum is σ = 345325268736. Its totient is φ = 54756933120.

The previous prime is 140615431261. The next prime is 140615431283. The reversal of 140615431264 is 462134516041.

140615431264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140615431261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5118814 + ... + 5146210.

It is an arithmetic number, because the mean of its divisors is an integer number (3597138216).

Almost surely, 2^140615431264 is an apocalyptic number.

140615431264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140615431264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172662634368).

140615431264 is an abundant number, since it is smaller than the sum of its proper divisors (204709837472).

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

140615431264 is a wasteful number, since it uses less digits than its factorization.

140615431264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29508 (or 29500 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 140615431264 in words is "one hundred forty billion, six hundred fifteen million, four hundred thirty-one thousand, two hundred sixty-four".