134744897 has 8 divisors (see below), whose sum is σ = 155170752. Its totient is φ = 114613200.

The previous prime is 134744893. The next prime is 134744899. The reversal of 134744897 is 798447431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134744897 - 2² = 134744893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134744891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72554 + ... + 74387.

It is an arithmetic number, because the mean of its divisors is an integer number (19396344).

Almost surely, 2^134744897 is an apocalyptic number.

It is an amenable number.

134744897 is a deficient number, since it is larger than the sum of its proper divisors (20425855).

134744897 is a wasteful number, since it uses less digits than its factorization.

134744897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147079.

The product of its digits is 677376, while the sum is 47.

The square root of 134744897 is about 11607.9669623927. The cubic root of 134744897 is about 512.6694543358.

The spelling of 134744897 in words is "one hundred thirty-four million, seven hundred forty-four thousand, eight hundred ninety-seven".