136273901 has 4 divisors (see below), whose sum is σ = 136298400. Its totient is φ = 136249404.

The previous prime is 136273883. The next prime is 136273903. The reversal of 136273901 is 109372631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136273901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136273903) 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, 560 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (34074600).

Almost surely, 2^136273901 is an apocalyptic number.

It is an amenable number.

136273901 is a deficient number, since it is larger than the sum of its proper divisors (24499).

136273901 is an equidigital number, since it uses as much as digits as its factorization.

136273901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24498.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 136273901 is about 11673.6412913880. The cubic root of 136273901 is about 514.6013202533.

The spelling of 136273901 in words is "one hundred thirty-six million, two hundred seventy-three thousand, nine hundred one".