134430531 has 4 divisors (see below), whose sum is σ = 179240712. Its totient is φ = 89620352.

The previous prime is 134430511. The next prime is 134430533. The reversal of 134430531 is 135034431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134430531 - 2⁷ = 134430403 is a prime.

It is a super-2 number, since 2×134430531² = 36143135329883922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134430533) 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, 22405086 + ... + 22405091.

It is an arithmetic number, because the mean of its divisors is an integer number (44810178).

Almost surely, 2^134430531 is an apocalyptic number.

134430531 is a deficient number, since it is larger than the sum of its proper divisors (44810181).

134430531 is an equidigital number, since it uses as much as digits as its factorization.

134430531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44810180.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 134430531 is about 11594.4180966532. The cubic root of 134430531 is about 512.2704501243.

Adding to 134430531 its reverse (135034431), we get a palindrome (269464962).

The spelling of 134430531 in words is "one hundred thirty-four million, four hundred thirty thousand, five hundred thirty-one".