140697432 has 64 divisors (see below), whose sum is σ = 411408000. Its totient is φ = 44429472.

The previous prime is 140697409. The next prime is 140697439. The reversal of 140697432 is 234796041.

140697432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140697439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13038 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (6428250).

Almost surely, 2^140697432 is an apocalyptic number.

140697432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140697432 is an abundant number, since it is smaller than the sum of its proper divisors (270710568).

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

140697432 is a wasteful number, since it uses less digits than its factorization.

140697432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34317 (or 34307 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 140697432 is about 11861.5948337481. The cubic root of 140697432 is about 520.1102231829.

The spelling of 140697432 in words is "one hundred forty million, six hundred ninety-seven thousand, four hundred thirty-two".