135754391 has 2 divisors, whose sum is σ = 135754392. Its totient is φ = 135754390.

The previous prime is 135754379. The next prime is 135754393. The reversal of 135754391 is 193457531.

135754391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135754391 - 2⁶ = 135754327 is a prime.

Together with 135754393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135754393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67877195 + 67877196.

It is an arithmetic number, because the mean of its divisors is an integer number (67877196).

Almost surely, 2^135754391 is an apocalyptic number.

135754391 is a deficient number, since it is larger than the sum of its proper divisors (1).

135754391 is an equidigital number, since it uses as much as digits as its factorization.

135754391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 135754391 is about 11651.3686320535. The cubic root of 135754391 is about 513.9465581060.

The spelling of 135754391 in words is "one hundred thirty-five million, seven hundred fifty-four thousand, three hundred ninety-one".