140868432 has 60 divisors (see below), whose sum is σ = 414993280. Its totient is φ = 44483904.

The previous prime is 140868419. The next prime is 140868449. The reversal of 140868432 is 234868041.

140868432 is a `hidden beast` number, since 140 + 86 + 8 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 23008 + ... + 28479.

Almost surely, 2^140868432 is an apocalyptic number.

140868432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140868432 is an abundant number, since it is smaller than the sum of its proper divisors (274124848).

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

140868432 is a wasteful number, since it uses less digits than its factorization.

140868432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51520 (or 51511 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 140868432 is about 11868.8007818819. The cubic root of 140868432 is about 520.3208473568.

The spelling of 140868432 in words is "one hundred forty million, eight hundred sixty-eight thousand, four hundred thirty-two".