136127867937 has 4 divisors (see below), whose sum is σ = 181503823920. Its totient is φ = 90751911956.

The previous prime is 136127867933. The next prime is 136127867963. The reversal of 136127867937 is 739768721631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136127867937 - 2² = 136127867933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136127867933) 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, 22687977987 + ... + 22687977992.

It is an arithmetic number, because the mean of its divisors is an integer number (45375955980).

Almost surely, 2^136127867937 is an apocalyptic number.

It is an amenable number.

136127867937 is a deficient number, since it is larger than the sum of its proper divisors (45375955983).

136127867937 is an equidigital number, since it uses as much as digits as its factorization.

136127867937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45375955982.

The product of its digits is 16003008, while the sum is 60.

The spelling of 136127867937 in words is "one hundred thirty-six billion, one hundred twenty-seven million, eight hundred sixty-seven thousand, nine hundred thirty-seven".