140281315 has 8 divisors (see below), whose sum is σ = 168428448. Its totient is φ = 112164480.

The previous prime is 140281283. The next prime is 140281321. The reversal of 140281315 is 513182041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140281315 - 2⁵ = 140281283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140281315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (21053556).

Almost surely, 2^140281315 is an apocalyptic number.

140281315 is a deficient number, since it is larger than the sum of its proper divisors (28147133).

140281315 is a wasteful number, since it uses less digits than its factorization.

140281315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 140281315 is about 11844.0413288708. The cubic root of 140281315 is about 519.5969695132.

The spelling of 140281315 in words is "one hundred forty million, two hundred eighty-one thousand, three hundred fifteen".