136673851 has 2 divisors, whose sum is σ = 136673852. Its totient is φ = 136673850.

The previous prime is 136673809. The next prime is 136673879. The reversal of 136673851 is 158376631.

It is a happy number.

136673851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136673851 - 2¹⁵ = 136641083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136673891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68336925 + 68336926.

It is an arithmetic number, because the mean of its divisors is an integer number (68336926).

Almost surely, 2^136673851 is an apocalyptic number.

136673851 is a deficient number, since it is larger than the sum of its proper divisors (1).

136673851 is an equidigital number, since it uses as much as digits as its factorization.

136673851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 136673851 is about 11690.7592140117. The cubic root of 136673851 is about 515.1042626746.

The spelling of 136673851 in words is "one hundred thirty-six million, six hundred seventy-three thousand, eight hundred fifty-one".