140400494 has 8 divisors (see below), whose sum is σ = 226800840. Its totient is φ = 64800216.

The previous prime is 140400479. The next prime is 140400511. The reversal of 140400494 is 494004041.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5400019 = 140400494 / (1 + 4 + 0 + 4 + 0 + 0 + 4 + 9 + 4).

It is a congruent number.

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, 2699984 + ... + 2700035.

It is an arithmetic number, because the mean of its divisors is an integer number (28350105).

Almost surely, 2^140400494 is an apocalyptic number.

140400494 is a deficient number, since it is larger than the sum of its proper divisors (86400346).

140400494 is a wasteful number, since it uses less digits than its factorization.

140400494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400034.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140400494 is about 11849.0714404125. The cubic root of 140400494 is about 519.7440727795.

The spelling of 140400494 in words is "one hundred forty million, four hundred thousand, four hundred ninety-four".