140538900 has 36 divisors (see below), whose sum is σ = 406626752. Its totient is φ = 37476960.

The previous prime is 140538899. The next prime is 140538911. The reversal of 140538900 is 9835041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 233932 + ... + 234531.

Almost surely, 2^140538900 is an apocalyptic number.

140538900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140538900 is an abundant number, since it is smaller than the sum of its proper divisors (266087852).

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

140538900 is a wasteful number, since it uses less digits than its factorization.

140538900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468480 (or 468473 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 140538900 is about 11854.9103750303. The cubic root of 140538900 is about 519.9148035965.

The spelling of 140538900 in words is "one hundred forty million, five hundred thirty-eight thousand, nine hundred".