135313751 has 2 divisors, whose sum is σ = 135313752. Its totient is φ = 135313750.

The previous prime is 135313741. The next prime is 135313753. The reversal of 135313751 is 157313531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135313751 - 2¹⁴ = 135297367 is a prime.

It is a super-2 number, since 2×135313751² = 36619622419380002, which contains 22 as substring.

Together with 135313753, 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 (135313753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67656875 + 67656876.

It is an arithmetic number, because the mean of its divisors is an integer number (67656876).

Almost surely, 2^135313751 is an apocalyptic number.

135313751 is a deficient number, since it is larger than the sum of its proper divisors (1).

135313751 is an equidigital number, since it uses as much as digits as its factorization.

135313751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 29.

The square root of 135313751 is about 11632.4438962756. The cubic root of 135313751 is about 513.3898888702.

The spelling of 135313751 in words is "one hundred thirty-five million, three hundred thirteen thousand, seven hundred fifty-one".