3940152187 has 2 divisors, whose sum is σ = 3940152188. Its totient is φ = 3940152186.

The previous prime is 3940152157. The next prime is 3940152211. The reversal of 3940152187 is 7812510493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3940152187 - 2¹⁵ = 3940119419 is a prime.

It is not a weakly prime, because it can be changed into another prime (3940152127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970076093 + 1970076094.

It is an arithmetic number, because the mean of its divisors is an integer number (1970076094).

Almost surely, 2^3940152187 is an apocalyptic number.

3940152187 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940152187 is an equidigital number, since it uses as much as digits as its factorization.

3940152187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3940152187 is about 62770.6315644506. The cubic root of 3940152187 is about 1579.4443630534. Note that the first 3 decimals are identical.

The spelling of 3940152187 in words is "three billion, nine hundred forty million, one hundred fifty-two thousand, one hundred eighty-seven".