135415751 has 2 divisors, whose sum is σ = 135415752. Its totient is φ = 135415750.

The previous prime is 135415747. The next prime is 135415757. The reversal of 135415751 is 157514531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135415751 - 2² = 135415747 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135415757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67707875 + 67707876.

It is an arithmetic number, because the mean of its divisors is an integer number (67707876).

Almost surely, 2^135415751 is an apocalyptic number.

135415751 is a deficient number, since it is larger than the sum of its proper divisors (1).

135415751 is an equidigital number, since it uses as much as digits as its factorization.

135415751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 32.

The square root of 135415751 is about 11636.8273597231. The cubic root of 135415751 is about 513.5188548620.

The spelling of 135415751 in words is "one hundred thirty-five million, four hundred fifteen thousand, seven hundred fifty-one".