136852291 has 4 divisors (see below), whose sum is σ = 137336152. Its totient is φ = 136368432.

The previous prime is 136852267. The next prime is 136852319. The reversal of 136852291 is 192258631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192258631 = 12503 ⋅15377.

It is a cyclic number.

It is not a de Polignac number, because 136852291 - 2¹⁷ = 136721219 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 136852291.

It is not an unprimeable number, because it can be changed into a prime (136852241) 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, 241506 + ... + 242071.

It is an arithmetic number, because the mean of its divisors is an integer number (34334038).

Almost surely, 2^136852291 is an apocalyptic number.

136852291 is a deficient number, since it is larger than the sum of its proper divisors (483861).

136852291 is an equidigital number, since it uses as much as digits as its factorization.

136852291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483860.

The product of its digits is 25920, while the sum is 37.

The square root of 136852291 is about 11698.3883932788. The cubic root of 136852291 is about 515.3283368282.

The spelling of 136852291 in words is "one hundred thirty-six million, eight hundred fifty-two thousand, two hundred ninety-one".