140236652 has 12 divisors (see below), whose sum is σ = 245718816. Its totient is φ = 70031280.

The previous prime is 140236651. The next prime is 140236709. The reversal of 140236652 is 256632041.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140236651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18068 + ... + 24635.

It is an arithmetic number, because the mean of its divisors is an integer number (20476568).

Almost surely, 2^140236652 is an apocalyptic number.

It is an amenable number.

140236652 is a deficient number, since it is larger than the sum of its proper divisors (105482164).

140236652 is a wasteful number, since it uses less digits than its factorization.

140236652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43528 (or 43526 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 140236652 is about 11842.1557159159. The cubic root of 140236652 is about 519.5418202755.

Adding to 140236652 its reverse (256632041), we get a palindrome (396868693).

The spelling of 140236652 in words is "one hundred forty million, two hundred thirty-six thousand, six hundred fifty-two".