187250140 has 48 divisors (see below), whose sum is σ = 490258944. Its totient is φ = 58363200.

The previous prime is 187250131. The next prime is 187250159. The reversal of 187250140 is 41052781.

It is a super-2 number, since 2×187250140² = 70125229860039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 187250099 and 187250108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59256 + ... + 62335.

It is an arithmetic number, because the mean of its divisors is an integer number (10213728).

Almost surely, 2^187250140 is an apocalyptic number.

187250140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187250140 is an abundant number, since it is smaller than the sum of its proper divisors (303008804).

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

187250140 is a wasteful number, since it uses less digits than its factorization.

187250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121618 (or 121616 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 187250140 is about 13683.9372988917. The cubic root of 187250140 is about 572.1027697719.

The spelling of 187250140 in words is "one hundred eighty-seven million, two hundred fifty thousand, one hundred forty".