134797939 has 4 divisors (see below), whose sum is σ = 134877456. Its totient is φ = 134718424.

The previous prime is 134797853. The next prime is 134797969. The reversal of 134797939 is 939797431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134797939 - 2⁹ = 134797427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134797969) 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, 37159 + ... + 40624.

It is an arithmetic number, because the mean of its divisors is an integer number (33719364).

Almost surely, 2^134797939 is an apocalyptic number.

134797939 is a deficient number, since it is larger than the sum of its proper divisors (79517).

134797939 is an equidigital number, since it uses as much as digits as its factorization.

134797939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79516.

The product of its digits is 1285956, while the sum is 52.

The square root of 134797939 is about 11610.2514615317. The cubic root of 134797939 is about 512.7367158708.

The spelling of 134797939 in words is "one hundred thirty-four million, seven hundred ninety-seven thousand, nine hundred thirty-nine".