140432052 has 48 divisors (see below), whose sum is σ = 342865152. Its totient is φ = 44689920.

The previous prime is 140432051. The next prime is 140432081. The reversal of 140432052 is 250234041.

140432052 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 2×140432052² = 39442322457861408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140432051) 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, 20088 + ... + 26160.

It is an arithmetic number, because the mean of its divisors is an integer number (7143024).

Almost surely, 2^140432052 is an apocalyptic number.

140432052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140432052 is an abundant number, since it is smaller than the sum of its proper divisors (202433100).

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

140432052 is a wasteful number, since it uses less digits than its factorization.

140432052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140432052 is about 11850.4030311209. The cubic root of 140432052 is about 519.7830110440.

Adding to 140432052 its reverse (250234041), we get a palindrome (390666093).

The spelling of 140432052 in words is "one hundred forty million, four hundred thirty-two thousand, fifty-two".