402234135 has 16 divisors (see below), whose sum is σ = 643857120. Its totient is φ = 214430720.

The previous prime is 402234121. The next prime is 402234137. The reversal of 402234135 is 531432204.

It is not a de Polignac number, because 402234135 - 2⁸ = 402233879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402234137) 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 in 15 ways as a sum of consecutive naturals, for example, 41995 + ... + 50675.

It is an arithmetic number, because the mean of its divisors is an integer number (40241070).

Almost surely, 2^402234135 is an apocalyptic number.

402234135 is a deficient number, since it is larger than the sum of its proper divisors (241622985).

402234135 is a wasteful number, since it uses less digits than its factorization.

402234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402234135 is about 20055.7756020554. The cubic root of 402234135 is about 738.1755243082.

Adding to 402234135 its reverse (531432204), we get a palindrome (933666339).

The spelling of 402234135 in words is "four hundred two million, two hundred thirty-four thousand, one hundred thirty-five".