140959920 has 80 divisors (see below), whose sum is σ = 462693600. Its totient is φ = 35377152.

The previous prime is 140959919. The next prime is 140959961. The reversal of 140959920 is 29959041.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13195 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (5783670).

Almost surely, 2^140959920 is an apocalyptic number.

140959920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140959920 is an abundant number, since it is smaller than the sum of its proper divisors (321733680).

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

140959920 is a wasteful number, since it uses less digits than its factorization.

140959920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582 (or 34576 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 140959920 is about 11872.6542946386. The cubic root of 140959920 is about 520.4334649990.

The spelling of 140959920 in words is "one hundred forty million, nine hundred fifty-nine thousand, nine hundred twenty".