135015739 has 2 divisors, whose sum is σ = 135015740. Its totient is φ = 135015738.

The previous prime is 135015737. The next prime is 135015781. The reversal of 135015739 is 937510531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135015739 - 2¹ = 135015737 is a prime.

It is a super-2 number, since 2×135015739² = 36458499555432242, which contains 22 as substring.

Together with 135015737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135015737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67507869 + 67507870.

It is an arithmetic number, because the mean of its divisors is an integer number (67507870).

Almost surely, 2^135015739 is an apocalyptic number.

135015739 is a deficient number, since it is larger than the sum of its proper divisors (1).

135015739 is an equidigital number, since it uses as much as digits as its factorization.

135015739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 135015739 is about 11619.6273176036. The cubic root of 135015739 is about 513.0127190146.

The spelling of 135015739 in words is "one hundred thirty-five million, fifteen thousand, seven hundred thirty-nine".