140121395 has 32 divisors (see below), whose sum is σ = 188407296. Its totient is φ = 99532800.

The previous prime is 140121349. The next prime is 140121407. The reversal of 140121395 is 593121041.

It is not a de Polignac number, because 140121395 - 2⁸ = 140121139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107387 + ... + 108683.

It is an arithmetic number, because the mean of its divisors is an integer number (5887728).

Almost surely, 2^140121395 is an apocalyptic number.

140121395 is a deficient number, since it is larger than the sum of its proper divisors (48285901).

140121395 is a wasteful number, since it uses less digits than its factorization.

140121395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 140121395 is about 11837.2883296809. The cubic root of 140121395 is about 519.3994484512.

The spelling of 140121395 in words is "one hundred forty million, one hundred twenty-one thousand, three hundred ninety-five".