140164451 has 6 divisors (see below), whose sum is σ = 163048500. Its totient is φ = 120140916.

The previous prime is 140164441. The next prime is 140164483. The reversal of 140164451 is 154461041.

It is not a de Polignac number, because 140164451 - 2¹⁴ = 140148067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140164451.

It is not an unprimeable number, because it can be changed into a prime (140164421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430201 + ... + 1430298.

It is an arithmetic number, because the mean of its divisors is an integer number (27174750).

Almost surely, 2^140164451 is an apocalyptic number.

140164451 is a deficient number, since it is larger than the sum of its proper divisors (22884049).

140164451 is an equidigital number, since it uses as much as digits as its factorization.

140164451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860513 (or 2860506 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140164451 is about 11839.1068497586. The cubic root of 140164451 is about 519.4526427367.

The spelling of 140164451 in words is "one hundred forty million, one hundred sixty-four thousand, four hundred fifty-one".