134379769 has 4 divisors (see below), whose sum is σ = 135083520. Its totient is φ = 133676020.

The previous prime is 134379743. The next prime is 134379797. The reversal of 134379769 is 967973431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 967973431 = 13649 ⋅70919.

It is a cyclic number.

It is not a de Polignac number, because 134379769 - 2⁵ = 134379737 is a prime.

It is a super-2 number, since 2×134379769² = 36115844632986722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134379709) 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, 351589 + ... + 351970.

It is an arithmetic number, because the mean of its divisors is an integer number (33770880).

Almost surely, 2^134379769 is an apocalyptic number.

It is an amenable number.

134379769 is a deficient number, since it is larger than the sum of its proper divisors (703751).

134379769 is an equidigital number, since it uses as much as digits as its factorization.

134379769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703750.

The product of its digits is 857304, while the sum is 49.

The square root of 134379769 is about 11592.2288193427. The cubic root of 134379769 is about 512.2059629225.

The spelling of 134379769 in words is "one hundred thirty-four million, three hundred seventy-nine thousand, seven hundred sixty-nine".