940653187 has 2 divisors, whose sum is σ = 940653188. Its totient is φ = 940653186.

The previous prime is 940653151. The next prime is 940653191. The reversal of 940653187 is 781356049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940653187 - 2¹¹ = 940651139 is a prime.

It is not a weakly prime, because it can be changed into another prime (940653127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470326593 + 470326594.

It is an arithmetic number, because the mean of its divisors is an integer number (470326594).

Almost surely, 2^940653187 is an apocalyptic number.

940653187 is a deficient number, since it is larger than the sum of its proper divisors (1).

940653187 is an equidigital number, since it uses as much as digits as its factorization.

940653187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 940653187 is about 30670.0698890629. The cubic root of 940653187 is about 979.8129543758.

The spelling of 940653187 in words is "nine hundred forty million, six hundred fifty-three thousand, one hundred eighty-seven".