140989100 has 36 divisors (see below), whose sum is σ = 349654704. Its totient is φ = 48338880.

The previous prime is 140989081. The next prime is 140989141. The reversal of 140989100 is 1989041.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100007 + ... + 101406.

Almost surely, 2^140989100 is an apocalyptic number.

140989100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140989100 is an abundant number, since it is smaller than the sum of its proper divisors (208665604).

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

140989100 is a wasteful number, since it uses less digits than its factorization.

140989100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201434 (or 201427 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 140989100 is about 11873.8831053704. The cubic root of 140989100 is about 520.4693740260.

It can be divided in two parts, 1409 and 89100, that added together give a palindrome (90509).

The spelling of 140989100 in words is "one hundred forty million, nine hundred eighty-nine thousand, one hundred".