135783091 has 2 divisors, whose sum is σ = 135783092. Its totient is φ = 135783090.

The previous prime is 135783077. The next prime is 135783143. The reversal of 135783091 is 190387531.

It is a happy number.

135783091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135783091 - 2⁷ = 135782963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135783091.

It is not a weakly prime, because it can be changed into another prime (135783061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67891545 + 67891546.

It is an arithmetic number, because the mean of its divisors is an integer number (67891546).

Almost surely, 2^135783091 is an apocalyptic number.

135783091 is a deficient number, since it is larger than the sum of its proper divisors (1).

135783091 is an equidigital number, since it uses as much as digits as its factorization.

135783091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 135783091 is about 11652.6001819336. The cubic root of 135783091 is about 513.9827735752.

It can be divided in two parts, 1357 and 83091, that added together give a palindrome (84448).

The spelling of 135783091 in words is "one hundred thirty-five million, seven hundred eighty-three thousand, ninety-one".