140402474 has 8 divisors (see below), whose sum is σ = 210754980. Its totient is φ = 70150816.

The previous prime is 140402467. The next prime is 140402497. The reversal of 140402474 is 474204041.

It can be written as a sum of positive squares in 2 ways, for example, as 134676025 + 5726449 = 11605^2 + 2393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21629 + ... + 27360.

Almost surely, 2^140402474 is an apocalyptic number.

140402474 is a deficient number, since it is larger than the sum of its proper divisors (70352506).

140402474 is a wasteful number, since it uses less digits than its factorization.

140402474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 140402474 is about 11849.1549909688. The cubic root of 140402474 is about 519.7465160008.

The spelling of 140402474 in words is "one hundred forty million, four hundred two thousand, four hundred seventy-four".