140541432 has 32 divisors (see below), whose sum is σ = 353305680. Its totient is φ = 46586880.

The previous prime is 140541407. The next prime is 140541433. The reversal of 140541432 is 234145041.

140541432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140541432² = 39503788217221248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140541433) 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, 11833 + ... + 20520.

Almost surely, 2^140541432 is an apocalyptic number.

140541432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140541432 is an abundant number, since it is smaller than the sum of its proper divisors (212764248).

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

140541432 is a wasteful number, since it uses less digits than its factorization.

140541432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32543 (or 32539 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140541432 is about 11855.0171657404. The cubic root of 140541432 is about 519.9179259025.

Adding to 140541432 its reverse (234145041), we get a palindrome (374686473).

The spelling of 140541432 in words is "one hundred forty million, five hundred forty-one thousand, four hundred thirty-two".