140450253 has 8 divisors (see below), whose sum is σ = 187598400. Its totient is φ = 93467808.

The previous prime is 140450249. The next prime is 140450269. The reversal of 140450253 is 352054041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140450253 - 2² = 140450249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140450203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39433 + ... + 42846.

It is an arithmetic number, because the mean of its divisors is an integer number (23449800).

Almost surely, 2^140450253 is an apocalyptic number.

It is an amenable number.

140450253 is a deficient number, since it is larger than the sum of its proper divisors (47148147).

140450253 is an equidigital number, since it uses as much as digits as its factorization.

140450253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82851.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 140450253 is about 11851.1709548044. The cubic root of 140450253 is about 519.8054659412.

The spelling of 140450253 in words is "one hundred forty million, four hundred fifty thousand, two hundred fifty-three".