134505031 has 4 divisors (see below), whose sum is σ = 134779464. Its totient is φ = 134230600.

The previous prime is 134505011. The next prime is 134505053. The reversal of 134505031 is 130505431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130505431 = 7 ⋅18643633.

It is a cyclic number.

It is not a de Polignac number, because 134505031 - 2⁹ = 134504519 is a prime.

It is a super-2 number, since 2×134505031² = 36183206728621922, 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 = 134504993 and 134505011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134505011) 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, 136480 + ... + 137461.

It is an arithmetic number, because the mean of its divisors is an integer number (33694866).

Almost surely, 2^134505031 is an apocalyptic number.

134505031 is a deficient number, since it is larger than the sum of its proper divisors (274433).

134505031 is an equidigital number, since it uses as much as digits as its factorization.

134505031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274432.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 134505031 is about 11597.6304045266. The cubic root of 134505031 is about 512.3650642975.

It can be divided in two parts, 13450 and 5031, that added together give a palindrome (18481).

The spelling of 134505031 in words is "one hundred thirty-four million, five hundred five thousand, thirty-one".