136845371 has 4 divisors (see below), whose sum is σ = 147371952. Its totient is φ = 126318792.

The previous prime is 136845347. The next prime is 136845389. The reversal of 136845371 is 173548631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173548631 = 17 ⋅10208743.

It is a cyclic number.

It is not a de Polignac number, because 136845371 - 2²² = 132651067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136845271) 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, 5263271 + ... + 5263296.

It is an arithmetic number, because the mean of its divisors is an integer number (36842988).

Almost surely, 2^136845371 is an apocalyptic number.

136845371 is a deficient number, since it is larger than the sum of its proper divisors (10526581).

136845371 is a wasteful number, since it uses less digits than its factorization.

136845371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526580.

The product of its digits is 60480, while the sum is 38.

The square root of 136845371 is about 11698.0926223039. The cubic root of 136845371 is about 515.3196507424.

The spelling of 136845371 in words is "one hundred thirty-six million, eight hundred forty-five thousand, three hundred seventy-one".