187399314 has 12 divisors (see below), whose sum is σ = 406031886. Its totient is φ = 62466432.

The previous prime is 187399271. The next prime is 187399319. The reversal of 187399314 is 413993781.

It can be written as a sum of positive squares in only one way, i.e., 183467025 + 3932289 = 13545^2 + 1983^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 187399314.

It is not an unprimeable number, because it can be changed into a prime (187399319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5205519 + ... + 5205554.

Almost surely, 2^187399314 is an apocalyptic number.

187399314 is an abundant number, since it is smaller than the sum of its proper divisors (218632572).

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

187399314 is a wasteful number, since it uses less digits than its factorization.

187399314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411081 (or 10411078 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 187399314 is about 13689.3869110344. The cubic root of 187399314 is about 572.2546525344.

The spelling of 187399314 in words is "one hundred eighty-seven million, three hundred ninety-nine thousand, three hundred fourteen".