140253633 has 16 divisors (see below), whose sum is σ = 223767040. Its totient is φ = 86309712.

The previous prime is 140253623. The next prime is 140253647. The reversal of 140253633 is 336352041.

It is a happy number.

140253633 is a `hidden beast` number, since 1 + 4 + 0 + 25 + 3 + 633 = 666.

It is not a de Polignac number, because 140253633 - 2⁵ = 140253601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140253597 and 140253606.

It is not an unprimeable number, because it can be changed into a prime (140253623) 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 15 ways as a sum of consecutive naturals, for example, 199441 + ... + 200142.

It is an arithmetic number, because the mean of its divisors is an integer number (13985440).

Almost surely, 2^140253633 is an apocalyptic number.

140253633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140253633 is a deficient number, since it is larger than the sum of its proper divisors (83513407).

140253633 is a wasteful number, since it uses less digits than its factorization.

140253633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399605 (or 399599 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 140253633 is about 11842.8726667139. The cubic root of 140253633 is about 519.5627895524.

The spelling of 140253633 in words is "one hundred forty million, two hundred fifty-three thousand, six hundred thirty-three".