134201231 has 4 divisors (see below), whose sum is σ = 135709200. Its totient is φ = 132693264.

The previous prime is 134201203. The next prime is 134201239. The reversal of 134201231 is 132102431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132102431 = 331 ⋅399101.

It is a cyclic number.

It is not a de Polignac number, because 134201231 - 2²² = 130006927 is a prime.

It is a super-2 number, since 2×134201231² = 36019940803830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134201239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753851 + ... + 754028.

It is an arithmetic number, because the mean of its divisors is an integer number (33927300).

Almost surely, 2^134201231 is an apocalyptic number.

134201231 is a deficient number, since it is larger than the sum of its proper divisors (1507969).

134201231 is an equidigital number, since it uses as much as digits as its factorization.

134201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507968.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 134201231 is about 11584.5254974039. The cubic root of 134201231 is about 511.9790221202.

Adding to 134201231 its reverse (132102431), we get a palindrome (266303662).

The spelling of 134201231 in words is "one hundred thirty-four million, two hundred one thousand, two hundred thirty-one".