140308900 has 36 divisors (see below), whose sum is σ = 305019540. Its totient is φ = 56022400.

The previous prime is 140308867. The next prime is 140308919. The reversal of 140308900 is 9803041.

It can be written as a sum of positive squares in 6 ways, for example, as 24186724 + 116122176 = 4918^2 + 10776^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 81246 + ... + 82954.

It is an arithmetic number, because the mean of its divisors is an integer number (8472765).

Almost surely, 2^140308900 is an apocalyptic number.

140308900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140308900 is an abundant number, since it is smaller than the sum of its proper divisors (164710640).

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

140308900 is a wasteful number, since it uses less digits than its factorization.

140308900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 140308900 is about 11845.2057812433. The cubic root of 140308900 is about 519.6310252319.

The spelling of 140308900 in words is "one hundred forty million, three hundred eight thousand, nine hundred".