140387900 has 18 divisors (see below), whose sum is σ = 304641960. Its totient is φ = 56155120.

The previous prime is 140387851. The next prime is 140387917. The reversal of 140387900 is 9783041.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 701840 + ... + 702039.

Almost surely, 2^140387900 is an apocalyptic number.

140387900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140387900 is an abundant number, since it is smaller than the sum of its proper divisors (164254060).

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

140387900 is a wasteful number, since it uses less digits than its factorization.

140387900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403893 (or 1403886 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 140387900 is about 11848.5399944466. The cubic root of 140387900 is about 519.7285318736.

The spelling of 140387900 in words is "one hundred forty million, three hundred eighty-seven thousand, nine hundred".