140312460 has 24 divisors (see below), whose sum is σ = 392875056. Its totient is φ = 37416640.

The previous prime is 140312449. The next prime is 140312477. The reversal of 140312460 is 64213041.

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, 1169211 + ... + 1169330.

It is an arithmetic number, because the mean of its divisors is an integer number (16369794).

Almost surely, 2^140312460 is an apocalyptic number.

140312460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140312460 is an abundant number, since it is smaller than the sum of its proper divisors (252562596).

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

140312460 is a wasteful number, since it uses less digits than its factorization.

140312460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338553 (or 2338551 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140312460 is about 11845.3560520569. The cubic root of 140312460 is about 519.6354199895.

The spelling of 140312460 in words is "one hundred forty million, three hundred twelve thousand, four hundred sixty".