140339920 has 60 divisors (see below), whose sum is σ = 379572804. Its totient is φ = 48115200.

The previous prime is 140339911. The next prime is 140339933. The reversal of 140339920 is 29933041.

It can be written as a sum of positive squares in 2 ways, for example, as 37601424 + 102738496 = 6132^2 + 10136^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13981 + ... + 21820.

Almost surely, 2^140339920 is an apocalyptic number.

140339920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140339920 is an abundant number, since it is smaller than the sum of its proper divisors (239232884).

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

140339920 is a wasteful number, since it uses less digits than its factorization.

140339920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35828 (or 35815 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 140339920 is about 11846.5150993868. The cubic root of 140339920 is about 519.6693163801.

The spelling of 140339920 in words is "one hundred forty million, three hundred thirty-nine thousand, nine hundred twenty".