134419943 has 4 divisors (see below), whose sum is σ = 153622800. Its totient is φ = 115217088.

The previous prime is 134419939. The next prime is 134419951. The reversal of 134419943 is 349914431.

It is a happy number.

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

It is not a de Polignac number, because 134419943 - 2² = 134419939 is a prime.

It is a super-2 number, since 2×134419943² = 36137442152246498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134419897 and 134419906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134419913) 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, 9601418 + ... + 9601431.

It is an arithmetic number, because the mean of its divisors is an integer number (38405700).

Almost surely, 2^134419943 is an apocalyptic number.

134419943 is a deficient number, since it is larger than the sum of its proper divisors (19202857).

134419943 is an equidigital number, since it uses as much as digits as its factorization.

134419943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19202856.

The product of its digits is 46656, while the sum is 38.

The square root of 134419943 is about 11593.9614886371. The cubic root of 134419943 is about 512.2570006450.

The spelling of 134419943 in words is "one hundred thirty-four million, four hundred nineteen thousand, nine hundred forty-three".