230136634 has 48 divisors (see below), whose sum is σ = 447438600. Its totient is φ = 87889536.

The previous prime is 230136623. The next prime is 230136637. The reversal of 230136634 is 436631032.

It can be written as a sum of positive squares in 4 ways, for example, as 162486009 + 67650625 = 12747^2 + 8225^2 .

It is not an unprimeable number, because it can be changed into a prime (230136637) 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, 33832 + ... + 40060.

Almost surely, 2^230136634 is an apocalyptic number.

230136634 is a deficient number, since it is larger than the sum of its proper divisors (217301966).

230136634 is a wasteful number, since it uses less digits than its factorization.

230136634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287 (or 6280 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 230136634 is about 15170.2549088669. The cubic root of 230136634 is about 612.8138690657.

Adding to 230136634 its reverse (436631032), we get a palindrome (666767666).

The spelling of 230136634 in words is "two hundred thirty million, one hundred thirty-six thousand, six hundred thirty-four".