134402347 has 2 divisors, whose sum is σ = 134402348. Its totient is φ = 134402346.

The previous prime is 134402311. The next prime is 134402351. The reversal of 134402347 is 743204431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134402347 - 2¹⁵ = 134369579 is a prime.

It is not a weakly prime, because it can be changed into another prime (134402377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201173 + 67201174.

It is an arithmetic number, because the mean of its divisors is an integer number (67201174).

Almost surely, 2^134402347 is an apocalyptic number.

134402347 is a deficient number, since it is larger than the sum of its proper divisors (1).

134402347 is an equidigital number, since it uses as much as digits as its factorization.

134402347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 134402347 is about 11593.2026205014. The cubic root of 134402347 is about 512.2346476436.

Adding to 134402347 its reverse (743204431), we get a palindrome (877606778).

The spelling of 134402347 in words is "one hundred thirty-four million, four hundred two thousand, three hundred forty-seven".