134423531 has 8 divisors (see below), whose sum is σ = 147800064. Its totient is φ = 121239720.

The previous prime is 134423467. The next prime is 134423579. The reversal of 134423531 is 135324431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134423531 - 2⁶ = 134423467 is a prime.

It is a super-2 number, since 2×134423531² = 36139371373015922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134423531.

It is not an unprimeable number, because it can be changed into a prime (134423581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46715 + ... + 49508.

It is an arithmetic number, because the mean of its divisors is an integer number (18475008).

Almost surely, 2^134423531 is an apocalyptic number.

134423531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134423531 is a deficient number, since it is larger than the sum of its proper divisors (13376533).

134423531 is a wasteful number, since it uses less digits than its factorization.

134423531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96361.

The product of its digits is 4320, while the sum is 26.

The square root of 134423531 is about 11594.1162233264. The cubic root of 134423531 is about 512.2615584056.

Adding to 134423531 its reverse (135324431), we get a palindrome (269747962).

The spelling of 134423531 in words is "one hundred thirty-four million, four hundred twenty-three thousand, five hundred thirty-one".