134992469 has 2 divisors, whose sum is σ = 134992470. Its totient is φ = 134992468.

The previous prime is 134992463. The next prime is 134992483. The reversal of 134992469 is 964299431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122389969 + 12602500 = 11063^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 134992469 - 2⁴ = 134992453 is a prime.

It is a super-2 number, since 2×134992469² = 36445933373431922, 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 (134992463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67496234 + 67496235.

It is an arithmetic number, because the mean of its divisors is an integer number (67496235).

Almost surely, 2^134992469 is an apocalyptic number.

It is an amenable number.

134992469 is a deficient number, since it is larger than the sum of its proper divisors (1).

134992469 is an equidigital number, since it uses as much as digits as its factorization.

134992469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 134992469 is about 11618.6259514626. The cubic root of 134992469 is about 512.9832446931.

The spelling of 134992469 in words is "one hundred thirty-four million, nine hundred ninety-two thousand, four hundred sixty-nine".