136941811199 has 4 divisors (see below), whose sum is σ = 137733382536. Its totient is φ = 136150239864.

The previous prime is 136941811163. The next prime is 136941811249. The reversal of 136941811199 is 991118149631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136941811199 - 2¹² = 136941807103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136941811199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136941811399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395785409 + ... + 395785754.

It is an arithmetic number, because the mean of its divisors is an integer number (34433345634).

Almost surely, 2^136941811199 is an apocalyptic number.

136941811199 is a deficient number, since it is larger than the sum of its proper divisors (791571337).

136941811199 is an equidigital number, since it uses as much as digits as its factorization.

136941811199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791571336.

The product of its digits is 419904, while the sum is 53.

The spelling of 136941811199 in words is "one hundred thirty-six billion, nine hundred forty-one million, eight hundred eleven thousand, one hundred ninety-nine".