402136051 has 2 divisors, whose sum is σ = 402136052. Its totient is φ = 402136050.

The previous prime is 402136039. The next prime is 402136073. The reversal of 402136051 is 150631204.

It is an a-pointer prime, because the next prime (402136073) can be obtained adding 402136051 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402136051 - 2⁵ = 402136019 is a prime.

It is not a weakly prime, because it can be changed into another prime (402136001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201068025 + 201068026.

It is an arithmetic number, because the mean of its divisors is an integer number (201068026).

Almost surely, 2^402136051 is an apocalyptic number.

402136051 is a deficient number, since it is larger than the sum of its proper divisors (1).

402136051 is an equidigital number, since it uses as much as digits as its factorization.

402136051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 402136051 is about 20053.3301723180. The cubic root of 402136051 is about 738.1155185489.

Adding to 402136051 its reverse (150631204), we get a palindrome (552767255).

It can be divided in two parts, 40213 and 6051, that added together give a palindrome (46264).

The spelling of 402136051 in words is "four hundred two million, one hundred thirty-six thousand, fifty-one".