135254739 has 4 divisors (see below), whose sum is σ = 180339656. Its totient is φ = 90169824.

The previous prime is 135254723. The next prime is 135254761. The reversal of 135254739 is 937452531.

It is a happy number.

135254739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135254739 - 2⁴ = 135254723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135254697 and 135254706.

It is not an unprimeable number, because it can be changed into a prime (135254719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22542454 + ... + 22542459.

It is an arithmetic number, because the mean of its divisors is an integer number (45084914).

Almost surely, 2^135254739 is an apocalyptic number.

135254739 is a deficient number, since it is larger than the sum of its proper divisors (45084917).

135254739 is an equidigital number, since it uses as much as digits as its factorization.

135254739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45084916.

The product of its digits is 113400, while the sum is 39.

The square root of 135254739 is about 11629.9070933520. The cubic root of 135254739 is about 513.3152461253.

The spelling of 135254739 in words is "one hundred thirty-five million, two hundred fifty-four thousand, seven hundred thirty-nine".