139940200 has 48 divisors (see below), whose sum is σ = 335871360. Its totient is φ = 54168000.

The previous prime is 139940191. The next prime is 139940201. The reversal of 139940200 is 2049931.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139940201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5086 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (6997320).

Almost surely, 2^139940200 is an apocalyptic number.

139940200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139940200 is an abundant number, since it is smaller than the sum of its proper divisors (195931160).

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

139940200 is a wasteful number, since it uses less digits than its factorization.

139940200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618 (or 22609 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 139940200 is about 11829.6322850712. The cubic root of 139940200 is about 519.1754684307.

The spelling of 139940200 in words is "one hundred thirty-nine million, nine hundred forty thousand, two hundred".