134309457 has 12 divisors (see below), whose sum is σ = 195420420. Its totient is φ = 88885248.

The previous prime is 134309449. The next prime is 134309477. The reversal of 134309457 is 754903431.

It can be written as a sum of positive squares in 2 ways, for example, as 63345681 + 70963776 = 7959^2 + 8424^2 .

It is not a de Polignac number, because 134309457 - 2³ = 134309449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134309407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53232 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (16285035).

Almost surely, 2^134309457 is an apocalyptic number.

It is an amenable number.

134309457 is a deficient number, since it is larger than the sum of its proper divisors (61110963).

134309457 is a wasteful number, since it uses less digits than its factorization.

134309457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109072 (or 109069 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 134309457 is about 11589.1957011693. The cubic root of 134309457 is about 512.1166128934.

The spelling of 134309457 in words is "one hundred thirty-four million, three hundred nine thousand, four hundred fifty-seven".