402140327 has 2 divisors, whose sum is σ = 402140328. Its totient is φ = 402140326.

The previous prime is 402140317. The next prime is 402140363. The reversal of 402140327 is 723041204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402140327 - 2¹⁰ = 402139303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201070163 + 201070164.

It is an arithmetic number, because the mean of its divisors is an integer number (201070164).

Almost surely, 2^402140327 is an apocalyptic number.

402140327 is a deficient number, since it is larger than the sum of its proper divisors (1).

402140327 is an equidigital number, since it uses as much as digits as its factorization.

402140327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 402140327 is about 20053.4367877429. The cubic root of 402140327 is about 738.1181347205.

The spelling of 402140327 in words is "four hundred two million, one hundred forty thousand, three hundred twenty-seven".