134798719 has 6 divisors (see below), whose sum is σ = 148167320. Its totient is φ = 122544180.

The previous prime is 134798681. The next prime is 134798731. The reversal of 134798719 is 917897431.

It is not a de Polignac number, because 134798719 - 2¹¹ = 134796671 is a prime.

It is a super-2 number, since 2×134798719² = 36341389288081922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134793719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556899 + ... + 557140.

Almost surely, 2^134798719 is an apocalyptic number.

134798719 is a deficient number, since it is larger than the sum of its proper divisors (13368601).

134798719 is a wasteful number, since it uses less digits than its factorization.

134798719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114061 (or 1114050 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 134798719 is about 11610.2850524869. The cubic root of 134798719 is about 512.7377048421.

The spelling of 134798719 in words is "one hundred thirty-four million, seven hundred ninety-eight thousand, seven hundred nineteen".