140636752 has 40 divisors (see below), whose sum is σ = 278998016. Its totient is φ = 68656896.

The previous prime is 140636731. The next prime is 140636759. The reversal of 140636752 is 257636041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140636759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135628 + ... + 136660.

Almost surely, 2^140636752 is an apocalyptic number.

It is an amenable number.

140636752 is a deficient number, since it is larger than the sum of its proper divisors (138361264).

140636752 is a wasteful number, since it uses less digits than its factorization.

140636752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 140636752 is about 11859.0367231070. The cubic root of 140636752 is about 520.0354413714.

The spelling of 140636752 in words is "one hundred forty million, six hundred thirty-six thousand, seven hundred fifty-two".