140383479 has 16 divisors (see below), whose sum is σ = 191664000. Its totient is φ = 91368096.

The previous prime is 140383471. The next prime is 140383483. The reversal of 140383479 is 974383041.

It is not a de Polignac number, because 140383479 - 2³ = 140383471 is a prime.

It is a super-2 number, since 2×140383479² = 39415042352286882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140383471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23712 + ... + 29034.

It is an arithmetic number, because the mean of its divisors is an integer number (11979000).

Almost surely, 2^140383479 is an apocalyptic number.

140383479 is a deficient number, since it is larger than the sum of its proper divisors (51280521).

140383479 is a wasteful number, since it uses less digits than its factorization.

140383479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 140383479 is about 11848.3534299075. The cubic root of 140383479 is about 519.7230761709.

The spelling of 140383479 in words is "one hundred forty million, three hundred eighty-three thousand, four hundred seventy-nine".