136363590909 has 128 divisors (see below), whose sum is σ = 255913620480. Its totient is φ = 69832461312.

The previous prime is 136363590907. The next prime is 136363590929. The reversal of 136363590909 is 909095363631.

136363590909 = 183² + 184² + ... + 7423².

It is a happy number.

136363590909 is a `hidden beast` number, since 13 + 6 + 36 + 3 + 590 + 9 + 0 + 9 = 666.

It is not a de Polignac number, because 136363590909 - 2¹ = 136363590907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136363590907) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50634967 + ... + 50637659.

It is an arithmetic number, because the mean of its divisors is an integer number (1999325160).

Almost surely, 2^136363590909 is an apocalyptic number.

It is an amenable number.

136363590909 is a deficient number, since it is larger than the sum of its proper divisors (119550029571).

136363590909 is a wasteful number, since it uses less digits than its factorization.

136363590909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3310 counting only the distinct ones).

The product of its (nonzero) digits is 3542940, while the sum is 54.

The spelling of 136363590909 in words is "one hundred thirty-six billion, three hundred sixty-three million, five hundred ninety thousand, nine hundred nine".