185234715130 has 16 divisors (see below), whose sum is σ = 344919814920. Its totient is φ = 71538924352.

The previous prime is 185234715077. The next prime is 185234715131. The reversal of 185234715130 is 31517432581.

It can be written as a sum of positive squares in 4 ways, for example, as 181529679969 + 3705035161 = 426063^2 + 60869^2 .

It is not an unprimeable number, because it can be changed into a prime (185234715131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319369909 + ... + 319370488.

Almost surely, 2^185234715130 is an apocalyptic number.

185234715130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185234715130 is a deficient number, since it is larger than the sum of its proper divisors (159685099790).

185234715130 is a wasteful number, since it uses less digits than its factorization.

185234715130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638740433.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 185234715130 in words is "one hundred eighty-five billion, two hundred thirty-four million, seven hundred fifteen thousand, one hundred thirty".