136418493122 has 6 divisors (see below), whose sum is σ = 204628523193. Its totient is φ = 68208985392.

The previous prime is 136418493089. The next prime is 136418493139. The reversal of 136418493122 is 221394814631.

It can be written as a sum of positive squares in 2 ways, for example, as 135748770481 + 669722641 = 368441^2 + 25879^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=261169.

It is a super-2 number, since 2×136418493122² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 391754 + ... + 652922.

Almost surely, 2^136418493122 is an apocalyptic number.

136418493122 is a deficient number, since it is larger than the sum of its proper divisors (68210030071).

136418493122 is an frugal number, since it uses more digits than its factorization.

136418493122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522340 (or 261171 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The spelling of 136418493122 in words is "one hundred thirty-six billion, four hundred eighteen million, four hundred ninety-three thousand, one hundred twenty-two".