140792640 has 112 divisors (see below), whose sum is σ = 473366592. Its totient is φ = 35332096.

The previous prime is 140792599. The next prime is 140792681. The reversal of 140792640 is 46297041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140792599) and next prime (140792681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12007 + ... + 20633.

Almost surely, 2^140792640 is an apocalyptic number.

140792640 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 140792640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236683296).

140792640 is an abundant number, since it is smaller than the sum of its proper divisors (332573952).

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

140792640 is a wasteful number, since it uses less digits than its factorization.

140792640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 140792640 is about 11865.6074433634. The cubic root of 140792640 is about 520.2275138543.

The spelling of 140792640 in words is "one hundred forty million, seven hundred ninety-two thousand, six hundred forty".