402140113 has 2 divisors, whose sum is σ = 402140114. Its totient is φ = 402140112.

The previous prime is 402140107. The next prime is 402140143. The reversal of 402140113 is 311041204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382319809 + 19820304 = 19553^2 + 4452^2 .

It is a cyclic number.

It is not a de Polignac number, because 402140113 - 2⁹ = 402139601 is a prime.

It is not a weakly prime, because it can be changed into another prime (402140143) 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, 201070056 + 201070057.

It is an arithmetic number, because the mean of its divisors is an integer number (201070057).

Almost surely, 2^402140113 is an apocalyptic number.

It is an amenable number.

402140113 is a deficient number, since it is larger than the sum of its proper divisors (1).

402140113 is an equidigital number, since it uses as much as digits as its factorization.

402140113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402140113 is about 20053.4314519984. The cubic root of 402140113 is about 738.1180037900.

Adding to 402140113 its reverse (311041204), we get a palindrome (713181317).

The spelling of 402140113 in words is "four hundred two million, one hundred forty thousand, one hundred thirteen".