140030052 has 48 divisors (see below), whose sum is σ = 338658432. Its totient is φ = 44997120.

The previous prime is 140030041. The next prime is 140030063. The reversal of 140030052 is 250030041.

It is an interprime number because it is at equal distance from previous prime (140030041) and next prime (140030063).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48777 + ... + 51567.

It is an arithmetic number, because the mean of its divisors is an integer number (7055384).

Almost surely, 2^140030052 is an apocalyptic number.

140030052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140030052 is an abundant number, since it is smaller than the sum of its proper divisors (198628380).

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

140030052 is a wasteful number, since it uses less digits than its factorization.

140030052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 140030052 is about 11833.4294268399. The cubic root of 140030052 is about 519.2865610586.

Adding to 140030052 its reverse (250030041), we get a palindrome (390060093).

The spelling of 140030052 in words is "one hundred forty million, thirty thousand, fifty-two".