136171399 has 16 divisors (see below), whose sum is σ = 167879488. Its totient is φ = 107557632.

The previous prime is 136171391. The next prime is 136171417. The reversal of 136171399 is 993171631.

It is not a de Polignac number, because 136171399 - 2³ = 136171391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136171391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84469 + ... + 86065.

It is an arithmetic number, because the mean of its divisors is an integer number (10492468).

Almost surely, 2^136171399 is an apocalyptic number.

136171399 is a deficient number, since it is larger than the sum of its proper divisors (31708089).

136171399 is a wasteful number, since it uses less digits than its factorization.

136171399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its digits is 30618, while the sum is 40.

The square root of 136171399 is about 11669.2501472888. The cubic root of 136171399 is about 514.4722642495.

The spelling of 136171399 in words is "one hundred thirty-six million, one hundred seventy-one thousand, three hundred ninety-nine".