134512131 has 48 divisors (see below), whose sum is σ = 207084192. Its totient is φ = 77137920.

The previous prime is 134512093. The next prime is 134512151. The reversal of 134512131 is 131215431.

It is not a de Polignac number, because 134512131 - 2⁷ = 134512003 is a prime.

It is a super-2 number, since 2×134512131² = 36187026772322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134512098 and 134512107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134512151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1386675 + ... + 1386771.

It is an arithmetic number, because the mean of its divisors is an integer number (4314254).

Almost surely, 2^134512131 is an apocalyptic number.

134512131 is a deficient number, since it is larger than the sum of its proper divisors (72572061).

134512131 is a wasteful number, since it uses less digits than its factorization.

134512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 181 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 134512131 is about 11597.9364974982. The cubic root of 134512131 is about 512.3740793952.

Adding to 134512131 its reverse (131215431), we get a palindrome (265727562).

The spelling of 134512131 in words is "one hundred thirty-four million, five hundred twelve thousand, one hundred thirty-one".