140401375 has 8 divisors (see below), whose sum is σ = 175221072. Its totient is φ = 112321000.

The previous prime is 140401367. The next prime is 140401403. The reversal of 140401375 is 573104041.

It is not a de Polignac number, because 140401375 - 2³ = 140401367 is a prime.

It is a super-2 number, since 2×140401375² = 39425092203781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561481 + ... + 561730.

It is an arithmetic number, because the mean of its divisors is an integer number (21902634).

Almost surely, 2^140401375 is an apocalyptic number.

140401375 is a deficient number, since it is larger than the sum of its proper divisors (34819697).

140401375 is an equidigital number, since it uses as much as digits as its factorization.

140401375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123226 (or 1123216 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140401375 is about 11849.1086162631. The cubic root of 140401375 is about 519.7451598924.

The spelling of 140401375 in words is "one hundred forty million, four hundred one thousand, three hundred seventy-five".