134401291 has 2 divisors, whose sum is σ = 134401292. Its totient is φ = 134401290.

The previous prime is 134401243. The next prime is 134401313. The reversal of 134401291 is 192104431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134401291 - 2¹⁵ = 134368523 is a prime.

It is not a weakly prime, because it can be changed into another prime (134401391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67200645 + 67200646.

It is an arithmetic number, because the mean of its divisors is an integer number (67200646).

Almost surely, 2^134401291 is an apocalyptic number.

134401291 is a deficient number, since it is larger than the sum of its proper divisors (1).

134401291 is an equidigital number, since it uses as much as digits as its factorization.

134401291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 134401291 is about 11593.1570764827. The cubic root of 134401291 is about 512.2333060966.

The spelling of 134401291 in words is "one hundred thirty-four million, four hundred one thousand, two hundred ninety-one".