140774240 has 24 divisors (see below), whose sum is σ = 332579520. Its totient is φ = 56309632.

The previous prime is 140774239. The next prime is 140774243. The reversal of 140774240 is 42477041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140774243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439760 + ... + 440079.

It is an arithmetic number, because the mean of its divisors is an integer number (13857480).

Almost surely, 2^140774240 is an apocalyptic number.

140774240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140774240 is an abundant number, since it is smaller than the sum of its proper divisors (191805280).

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

140774240 is an equidigital number, since it uses as much as digits as its factorization.

140774240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879854 (or 879846 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 140774240 is about 11864.8320679224. The cubic root of 140774240 is about 520.2048502566.

The spelling of 140774240 in words is "one hundred forty million, seven hundred seventy-four thousand, two hundred forty".