135514591 has 2 divisors, whose sum is σ = 135514592. Its totient is φ = 135514590.

The previous prime is 135514579. The next prime is 135514601. The reversal of 135514591 is 195415531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135514591 - 2¹⁷ = 135383519 is a prime.

It is a super-3 number, since 3×135514591³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135514501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67757295 + 67757296.

It is an arithmetic number, because the mean of its divisors is an integer number (67757296).

Almost surely, 2^135514591 is an apocalyptic number.

135514591 is a deficient number, since it is larger than the sum of its proper divisors (1).

135514591 is an equidigital number, since it uses as much as digits as its factorization.

135514591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 34.

The square root of 135514591 is about 11641.0734470666. The cubic root of 135514591 is about 513.6437636688.

The spelling of 135514591 in words is "one hundred thirty-five million, five hundred fourteen thousand, five hundred ninety-one".