140037452 has 24 divisors (see below), whose sum is σ = 252576576. Its totient is φ = 67886208.

The previous prime is 140037421. The next prime is 140037463. The reversal of 140037452 is 254730041.

It is a super-2 number, since 2×140037452² = 39220975925304608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44813 + ... + 47835.

It is an arithmetic number, because the mean of its divisors is an integer number (10524024).

Almost surely, 2^140037452 is an apocalyptic number.

It is an amenable number.

140037452 is a deficient number, since it is larger than the sum of its proper divisors (112539124).

140037452 is a wasteful number, since it uses less digits than its factorization.

140037452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140037452 is about 11833.7420962264. The cubic root of 140037452 is about 519.2957082686.

Adding to 140037452 its reverse (254730041), we get a palindrome (394767493).

The spelling of 140037452 in words is "one hundred forty million, thirty-seven thousand, four hundred fifty-two".