134472869 has 2 divisors, whose sum is σ = 134472870. Its totient is φ = 134472868.

The previous prime is 134472829. The next prime is 134472889. The reversal of 134472869 is 968274431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 10484644 = 11135^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 134472869 - 2²⁴ = 117695653 is a prime.

It is a super-2 number, since 2×134472869² = 36165904994182322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134472809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67236434 + 67236435.

It is an arithmetic number, because the mean of its divisors is an integer number (67236435).

Almost surely, 2^134472869 is an apocalyptic number.

It is an amenable number.

134472869 is a deficient number, since it is larger than the sum of its proper divisors (1).

134472869 is an equidigital number, since it uses as much as digits as its factorization.

134472869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 134472869 is about 11596.2437452823. The cubic root of 134472869 is about 512.3242232012.

The spelling of 134472869 in words is "one hundred thirty-four million, four hundred seventy-two thousand, eight hundred sixty-nine".