140164940 has 12 divisors (see below), whose sum is σ = 294346416. Its totient is φ = 56065968.

The previous prime is 140164939. The next prime is 140164963. The reversal of 140164940 is 49461041.

It is a happy 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, 3504104 + ... + 3504143.

It is an arithmetic number, because the mean of its divisors is an integer number (24528868).

Almost surely, 2^140164940 is an apocalyptic number.

140164940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140164940 is an abundant number, since it is smaller than the sum of its proper divisors (154181476).

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

140164940 is a wasteful number, since it uses less digits than its factorization.

140164940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008256 (or 7008254 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140164940 is about 11839.1275016363. The cubic root of 140164940 is about 519.4532468177.

The spelling of 140164940 in words is "one hundred forty million, one hundred sixty-four thousand, nine hundred forty".