402108147 has 24 divisors (see below), whose sum is σ = 664401920. Its totient is φ = 229566960.

The previous prime is 402108143. The next prime is 402108151. The reversal of 402108147 is 741801204.

It is an interprime number because it is at equal distance from previous prime (402108143) and next prime (402108151).

It is not a de Polignac number, because 402108147 - 2² = 402108143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402108147.

It is not an unprimeable number, because it can be changed into a prime (402108143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90504 + ... + 94842.

Almost surely, 2^402108147 is an apocalyptic number.

402108147 is a deficient number, since it is larger than the sum of its proper divisors (262293773).

402108147 is a wasteful number, since it uses less digits than its factorization.

402108147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 402108147 is about 20052.6344154577. The cubic root of 402108147 is about 738.0984456770.

The spelling of 402108147 in words is "four hundred two million, one hundred eight thousand, one hundred forty-seven".