140322315 has 64 divisors (see below), whose sum is σ = 277539840. Its totient is φ = 59097600.

The previous prime is 140322253. The next prime is 140322317. The reversal of 140322315 is 513223041.

It is not a de Polignac number, because 140322315 - 2¹¹ = 140320267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140322291 and 140322300.

It is not an unprimeable number, because it can be changed into a prime (140322317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72865 + ... + 74765.

It is an arithmetic number, because the mean of its divisors is an integer number (4336560).

Almost surely, 2^140322315 is an apocalyptic number.

140322315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140322315 is a deficient number, since it is larger than the sum of its proper divisors (137217525).

140322315 is a wasteful number, since it uses less digits than its factorization.

140322315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140322315 is about 11845.7720305601. The cubic root of 140322315 is about 519.6475854265.

Adding to 140322315 its reverse (513223041), we get a palindrome (653545356).

The spelling of 140322315 in words is "one hundred forty million, three hundred twenty-two thousand, three hundred fifteen".