134252831 has 4 divisors (see below), whose sum is σ = 135076632. Its totient is φ = 133429032.

The previous prime is 134252827. The next prime is 134252873. The reversal of 134252831 is 138252431.

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: 138252431 = 173 ⋅799147.

It is a cyclic number.

It is not a de Polignac number, because 134252831 - 2² = 134252827 is a prime.

It is a super-2 number, since 2×134252831² = 36047645263029122, 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 = 134252794 and 134252803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134252801) 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, 411656 + ... + 411981.

It is an arithmetic number, because the mean of its divisors is an integer number (33769158).

Almost surely, 2^134252831 is an apocalyptic number.

134252831 is a deficient number, since it is larger than the sum of its proper divisors (823801).

134252831 is an equidigital number, since it uses as much as digits as its factorization.

134252831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823800.

The product of its digits is 5760, while the sum is 29.

The square root of 134252831 is about 11586.7523922797. The cubic root of 134252831 is about 512.0446318820.

The spelling of 134252831 in words is "one hundred thirty-four million, two hundred fifty-two thousand, eight hundred thirty-one".