402205113 has 12 divisors (see below), whose sum is σ = 581456148. Its totient is φ = 267909120.

The previous prime is 402205103. The next prime is 402205127. The reversal of 402205113 is 311502204.

It can be written as a sum of positive squares in 2 ways, for example, as 38044224 + 364160889 = 6168^2 + 19083^2 .

It is a de Polignac number, because none of the positive numbers 2^k-402205113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402205103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7408 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (48454679).

Almost surely, 2^402205113 is an apocalyptic number.

It is an amenable number.

402205113 is a deficient number, since it is larger than the sum of its proper divisors (179251035).

402205113 is a wasteful number, since it uses less digits than its factorization.

402205113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37944 (or 37941 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 402205113 is about 20055.0520567761. The cubic root of 402205113 is about 738.1577702661.

Adding to 402205113 its reverse (311502204), we get a palindrome (713707317).

The spelling of 402205113 in words is "four hundred two million, two hundred five thousand, one hundred thirteen".