134403019 has 2 divisors, whose sum is σ = 134403020. Its totient is φ = 134403018.

The previous prime is 134403013. The next prime is 134403047. The reversal of 134403019 is 910304431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134403019 - 2⁹ = 134402507 is a prime.

It is a super-2 number, since 2×134403019² = 36128343032628722, which contains 22 as substring.

It is equal to p_7613512 and since 134403019 and 7613512 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 134402984 and 134403002.

It is not a weakly prime, because it can be changed into another prime (134403013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201509 + 67201510.

It is an arithmetic number, because the mean of its divisors is an integer number (67201510).

Almost surely, 2^134403019 is an apocalyptic number.

134403019 is a deficient number, since it is larger than the sum of its proper divisors (1).

134403019 is an equidigital number, since it uses as much as digits as its factorization.

134403019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 134403019 is about 11593.2316029656. The cubic root of 134403019 is about 512.2355013517.

The spelling of 134403019 in words is "one hundred thirty-four million, four hundred three thousand, nineteen".