140604736 has 28 divisors (see below), whose sum is σ = 286558228. Its totient is φ = 68401152.

The previous prime is 140604721. The next prime is 140604743. The reversal of 140604736 is 637406041.

It can be written as a sum of positive squares in 2 ways, for example, as 127238400 + 13366336 = 11280^2 + 3656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140604698 and 140604707.

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, 27321 + ... + 32056.

Almost surely, 2^140604736 is an apocalyptic number.

140604736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140604736 is an abundant number, since it is smaller than the sum of its proper divisors (145953492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140604736 is an equidigital number, since it uses as much as digits as its factorization.

140604736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59426 (or 59416 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 140604736 is about 11857.6867895893. The cubic root of 140604736 is about 519.9959763002.

The spelling of 140604736 in words is "one hundred forty million, six hundred four thousand, seven hundred thirty-six".