134397963 has 24 divisors (see below), whose sum is σ = 233542400. Its totient is φ = 72756144.

The previous prime is 134397953. The next prime is 134398007. The reversal of 134397963 is 369793431.

It is a happy number.

It is not a de Polignac number, because 134397963 - 2⁸ = 134397707 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (134397943) 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 23 ways as a sum of consecutive naturals, for example, 54943 + ... + 57336.

Almost surely, 2^134397963 is an apocalyptic number.

134397963 is a deficient number, since it is larger than the sum of its proper divisors (99144437).

134397963 is a wasteful number, since it uses less digits than its factorization.

134397963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112311 (or 112308 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 134397963 is about 11593.0135426471. The cubic root of 134397963 is about 512.2290781449.

The spelling of 134397963 in words is "one hundred thirty-four million, three hundred ninety-seven thousand, nine hundred sixty-three".