134486531 has 4 divisors (see below), whose sum is σ = 135454200. Its totient is φ = 133518864.

The previous prime is 134486509. The next prime is 134486533. The reversal of 134486531 is 135684431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135684431 = 743 ⋅182617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134486531 is a prime.

It is a super-2 number, since 2×134486531² = 36173254040827922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134486491 and 134486500.

It is not an unprimeable number, because it can be changed into a prime (134486533) 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 3 ways as a sum of consecutive naturals, for example, 483626 + ... + 483903.

It is an arithmetic number, because the mean of its divisors is an integer number (33863550).

Almost surely, 2^134486531 is an apocalyptic number.

134486531 is a deficient number, since it is larger than the sum of its proper divisors (967669).

134486531 is an equidigital number, since it uses as much as digits as its factorization.

134486531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967668.

The product of its digits is 34560, while the sum is 35.

The square root of 134486531 is about 11596.8328003813. The cubic root of 134486531 is about 512.3415727641.

The spelling of 134486531 in words is "one hundred thirty-four million, four hundred eighty-six thousand, five hundred thirty-one".