136140812 has 6 divisors (see below), whose sum is σ = 238246428. Its totient is φ = 68070404.

The previous prime is 136140803. The next prime is 136140817. The reversal of 136140812 is 218041631.

It is not an unprimeable number, because it can be changed into a prime (136140817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17017598 + ... + 17017605.

It is an arithmetic number, because the mean of its divisors is an integer number (39707738).

Almost surely, 2^136140812 is an apocalyptic number.

It is an amenable number.

136140812 is a deficient number, since it is larger than the sum of its proper divisors (102105616).

136140812 is a wasteful number, since it uses less digits than its factorization.

136140812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34035207 (or 34035205 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 136140812 is about 11667.9394924725. The cubic root of 136140812 is about 514.4337408845.

The spelling of 136140812 in words is "one hundred thirty-six million, one hundred forty thousand, eight hundred twelve".