140253915 has 48 divisors (see below), whose sum is σ = 241401600. Its totient is φ = 69505344.

The previous prime is 140253901. The next prime is 140253973. The reversal of 140253915 is 519352041.

140253915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140253915 - 2⁴ = 140253899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319266 + ... + 319704.

It is an arithmetic number, because the mean of its divisors is an integer number (5029200).

Almost surely, 2^140253915 is an apocalyptic number.

140253915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140253915 is a deficient number, since it is larger than the sum of its proper divisors (101147685).

140253915 is a wasteful number, since it uses less digits than its factorization.

140253915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 140253915 is about 11842.8845726031. The cubic root of 140253915 is about 519.5631377706.

The spelling of 140253915 in words is "one hundred forty million, two hundred fifty-three thousand, nine hundred fifteen".