134402311 has 2 divisors, whose sum is σ = 134402312. Its totient is φ = 134402310.

The previous prime is 134402309. The next prime is 134402347. The reversal of 134402311 is 113204431.

It is a weak prime.

It is an emirp because it is prime and its reverse (113204431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134402311 - 2¹ = 134402309 is a prime.

Together with 134402309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134402351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201155 + 67201156.

It is an arithmetic number, because the mean of its divisors is an integer number (67201156).

Almost surely, 2^134402311 is an apocalyptic number.

134402311 is a deficient number, since it is larger than the sum of its proper divisors (1).

134402311 is an equidigital number, since it uses as much as digits as its factorization.

134402311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134402311 is about 11593.2010678673. The cubic root of 134402311 is about 512.2346019092.

Adding to 134402311 its reverse (113204431), we get a palindrome (247606742).

It can be divided in two parts, 13440 and 2311, that added together give a palindrome (15751).

The spelling of 134402311 in words is "one hundred thirty-four million, four hundred two thousand, three hundred eleven".