135747299 has 2 divisors, whose sum is σ = 135747300. Its totient is φ = 135747298.

The previous prime is 135747263. The next prime is 135747331. The reversal of 135747299 is 992747531.

135747299 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 a de Polignac number, because none of the positive numbers 2^k-135747299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135744299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67873649 + 67873650.

It is an arithmetic number, because the mean of its divisors is an integer number (67873650).

Almost surely, 2^135747299 is an apocalyptic number.

135747299 is a deficient number, since it is larger than the sum of its proper divisors (1).

135747299 is an equidigital number, since it uses as much as digits as its factorization.

135747299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 135747299 is about 11651.0642861500. The cubic root of 135747299 is about 513.9376081869.

The spelling of 135747299 in words is "one hundred thirty-five million, seven hundred forty-seven thousand, two hundred ninety-nine".