140990624 has 24 divisors (see below), whose sum is σ = 277864020. Its totient is φ = 70422016.

The previous prime is 140990617. The next prime is 140990627. The reversal of 140990624 is 426099041.

It can be written as a sum of positive squares in 2 ways, for example, as 122500624 + 18490000 = 11068^2 + 4300^2 .

It is not an unprimeable number, because it can be changed into a prime (140990627) 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 3 ways as a sum of consecutive naturals, for example, 42332 + ... + 45540.

Almost surely, 2^140990624 is an apocalyptic number.

It is an amenable number.

140990624 is a deficient number, since it is larger than the sum of its proper divisors (136873396).

140990624 is a wasteful number, since it uses less digits than its factorization.

140990624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 140990624 is about 11873.9472796539. The cubic root of 140990624 is about 520.4712493305.

The spelling of 140990624 in words is "one hundred forty million, nine hundred ninety thousand, six hundred twenty-four".