134630869 has 2 divisors, whose sum is σ = 134630870. Its totient is φ = 134630868.

The previous prime is 134630831. The next prime is 134630917. The reversal of 134630869 is 968036431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105308644 + 29322225 = 10262^2 + 5415^2 .

It is an emirp because it is prime and its reverse (968036431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134630869 - 2²⁷ = 413141 is a prime.

It is a super-2 number, since 2×134630869² = 36250941775390322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134630809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67315434 + 67315435.

It is an arithmetic number, because the mean of its divisors is an integer number (67315435).

Almost surely, 2^134630869 is an apocalyptic number.

It is an amenable number.

134630869 is a deficient number, since it is larger than the sum of its proper divisors (1).

134630869 is an equidigital number, since it uses as much as digits as its factorization.

134630869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 134630869 is about 11603.0542961756. The cubic root of 134630869 is about 512.5247978483.

The spelling of 134630869 in words is "one hundred thirty-four million, six hundred thirty thousand, eight hundred sixty-nine".