140079401 has 12 divisors (see below), whose sum is σ = 175968576. Its totient is φ = 109152120.

The previous prime is 140079391. The next prime is 140079409. The reversal of 140079401 is 104970041.

It is a de Polignac number, because none of the positive numbers 2^k-140079401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140079409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81845 + ... + 83538.

It is an arithmetic number, because the mean of its divisors is an integer number (14664048).

Almost surely, 2^140079401 is an apocalyptic number.

140079401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140079401 is a deficient number, since it is larger than the sum of its proper divisors (35889175).

140079401 is a wasteful number, since it uses less digits than its factorization.

140079401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165412 (or 165401 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 140079401 is about 11835.5143952428. The cubic root of 140079401 is about 519.3475557340.

The spelling of 140079401 in words is "one hundred forty million, seventy-nine thousand, four hundred one".