136233901 has 4 divisors (see below), whose sum is σ = 136764252. Its totient is φ = 135703552.

The previous prime is 136233883. The next prime is 136233907. The reversal of 136233901 is 109332631.

136233901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109332631 = 19 ⋅5754349.

It can be written as a sum of positive squares in 2 ways, for example, as 102535876 + 33698025 = 10126^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 136233901 - 2⁹ = 136233389 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 136233901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136233907) 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, 264790 + ... + 265303.

It is an arithmetic number, because the mean of its divisors is an integer number (34191063).

Almost surely, 2^136233901 is an apocalyptic number.

It is an amenable number.

136233901 is a deficient number, since it is larger than the sum of its proper divisors (530351).

136233901 is an equidigital number, since it uses as much as digits as its factorization.

136233901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530350.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 136233901 is about 11671.9279041639. The cubic root of 136233901 is about 514.5509656195.

The spelling of 136233901 in words is "one hundred thirty-six million, two hundred thirty-three thousand, nine hundred one".