136774734139 has 4 divisors (see below), whose sum is σ = 136781985600. Its totient is φ = 136767482680.

The previous prime is 136774734137. The next prime is 136774734167. The reversal of 136774734139 is 931437477631.

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 136774734139 - 2¹ = 136774734137 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 136774734139.

It is not an unprimeable number, because it can be changed into a prime (136774734137) 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, 3597364 + ... + 3635185.

It is an arithmetic number, because the mean of its divisors is an integer number (34195496400).

Almost surely, 2^136774734139 is an apocalyptic number.

136774734139 is a deficient number, since it is larger than the sum of its proper divisors (7251461).

136774734139 is an equidigital number, since it uses as much as digits as its factorization.

136774734139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251460.

The product of its digits is 8001504, while the sum is 55.

The spelling of 136774734139 in words is "one hundred thirty-six billion, seven hundred seventy-four million, seven hundred thirty-four thousand, one hundred thirty-nine".