140253700 has 36 divisors (see below), whose sum is σ = 306425700. Its totient is φ = 55719040.

The previous prime is 140253691. The next prime is 140253727. The reversal of 140253700 is 7352041.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 140232964 = 144^2 + 11842^2 .

It is a super-2 number, since 2×140253700² = 39342200727380000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10194 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (8511825).

Almost surely, 2^140253700 is an apocalyptic number.

140253700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140253700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153212850).

140253700 is an abundant number, since it is smaller than the sum of its proper divisors (166172000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140253700 is a wasteful number, since it uses less digits than its factorization.

140253700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 140253700 is about 11842.8754954192. The cubic root of 140253700 is about 519.5628722852.

The spelling of 140253700 in words is "one hundred forty million, two hundred fifty-three thousand, seven hundred".