240157187 has 2 divisors, whose sum is σ = 240157188. Its totient is φ = 240157186.

The previous prime is 240157171. The next prime is 240157201. The reversal of 240157187 is 781751042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240157187 - 2⁴ = 240157171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240157387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120078593 + 120078594.

It is an arithmetic number, because the mean of its divisors is an integer number (120078594).

Almost surely, 2^240157187 is an apocalyptic number.

240157187 is a deficient number, since it is larger than the sum of its proper divisors (1).

240157187 is an equidigital number, since it uses as much as digits as its factorization.

240157187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 240157187 is about 15497.0057430460. The cubic root of 240157187 is about 621.5821428480.

The spelling of 240157187 in words is "two hundred forty million, one hundred fifty-seven thousand, one hundred eighty-seven".