140388900 has 36 divisors (see below), whose sum is σ = 406192752. Its totient is φ = 37436960.

The previous prime is 140388893. The next prime is 140388917. The reversal of 140388900 is 9883041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233682 + ... + 234281.

It is an arithmetic number, because the mean of its divisors is an integer number (11283132).

Almost surely, 2^140388900 is an apocalyptic number.

140388900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140388900 is an abundant number, since it is smaller than the sum of its proper divisors (265803852).

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

140388900 is a wasteful number, since it uses less digits than its factorization.

140388900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467980 (or 467973 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 140388900 is about 11848.5821936635. The cubic root of 140388900 is about 519.7297659004.

The spelling of 140388900 in words is "one hundred forty million, three hundred eighty-eight thousand, nine hundred".