140372500 has 30 divisors (see below), whose sum is σ = 306972050. Its totient is φ = 56148000.

The previous prime is 140372471. The next prime is 140372501. The reversal of 140372500 is 5273041.

It can be written as a sum of positive squares in 5 ways, for example, as 35473936 + 104898564 = 5956^2 + 10242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140372501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25575 + ... + 30574.

Almost surely, 2^140372500 is an apocalyptic number.

140372500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140372500 is an abundant number, since it is smaller than the sum of its proper divisors (166599550).

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

140372500 is an equidigital number, since it uses as much as digits as its factorization.

140372500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56173 (or 56156 counting only the distinct ones).

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

The square root of 140372500 is about 11847.8901075255. The cubic root of 140372500 is about 519.7095271207.

The spelling of 140372500 in words is "one hundred forty million, three hundred seventy-two thousand, five hundred".