134833997 has 4 divisors (see below), whose sum is σ = 134862876. Its totient is φ = 134805120.

The previous prime is 134833991. The next prime is 134833999. The reversal of 134833997 is 799338431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799338431 = 59 ⋅13548109.

It can be written as a sum of positive squares in 2 ways, for example, as 76143076 + 58690921 = 8726^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 134833997 - 2¹² = 134829901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134833991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (33715719).

Almost surely, 2^134833997 is an apocalyptic number.

It is an amenable number.

134833997 is a deficient number, since it is larger than the sum of its proper divisors (28879).

134833997 is an equidigital number, since it uses as much as digits as its factorization.

134833997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878.

The product of its digits is 489888, while the sum is 47.

The square root of 134833997 is about 11611.8042095103. The cubic root of 134833997 is about 512.7824302499.

The spelling of 134833997 in words is "one hundred thirty-four million, eight hundred thirty-three thousand, nine hundred ninety-seven".