140024052 has 120 divisors (see below), whose sum is σ = 422985024. Its totient is φ = 39564288.

The previous prime is 140024047. The next prime is 140024081. The reversal of 140024052 is 250420041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242388 + ... + 242964.

Almost surely, 2^140024052 is an apocalyptic number.

140024052 is a gapful number since it is divisible by the number (12) 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 140024052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211492512).

140024052 is an abundant number, since it is smaller than the sum of its proper divisors (282960972).

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

140024052 is a wasteful number, since it uses less digits than its factorization.

140024052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 140024052 is about 11833.1759050561. The cubic root of 140024052 is about 519.2791441653.

Adding to 140024052 its reverse (250420041), we get a palindrome (390444093).

It can be divided in two parts, 1400 and 24052, that added together give a palindrome (25452).

The spelling of 140024052 in words is "one hundred forty million, twenty-four thousand, fifty-two".