140113920 has 96 divisors (see below), whose sum is σ = 448353360. Its totient is φ = 37355520.

The previous prime is 140113903. The next prime is 140113921. The reversal of 140113920 is 29311041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140113921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28440 + ... + 33000.

Almost surely, 2^140113920 is an apocalyptic number.

140113920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224176680).

140113920 is an abundant number, since it is smaller than the sum of its proper divisors (308239440).

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

140113920 is an equidigital number, since it uses as much as digits as its factorization.

140113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 140113920 is about 11836.9725859275. The cubic root of 140113920 is about 519.3902122221.

Adding to 140113920 its reverse (29311041), we get a palindrome (169424961).

The spelling of 140113920 in words is "one hundred forty million, one hundred thirteen thousand, nine hundred twenty".