182134981 has 4 divisors (see below), whose sum is σ = 208154272. Its totient is φ = 156115692.

The previous prime is 182134963. The next prime is 182134987. The reversal of 182134981 is 189431281.

182134981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189431281 = 13 ⋅14571637.

It is a cyclic number.

It is not a de Polignac number, because 182134981 - 2¹¹ = 182132933 is a prime.

It is a super-2 number, since 2×182134981² = 66346302607740722, 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 182134981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182134987) 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, 13009635 + ... + 13009648.

It is an arithmetic number, because the mean of its divisors is an integer number (52038568).

Almost surely, 2^182134981 is an apocalyptic number.

It is an amenable number.

182134981 is a deficient number, since it is larger than the sum of its proper divisors (26019291).

182134981 is an equidigital number, since it uses as much as digits as its factorization.

182134981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26019290.

The product of its digits is 13824, while the sum is 37.

The square root of 182134981 is about 13495.7393647032. The cubic root of 182134981 is about 566.8451758638.

It can be divided in two parts, 182 and 134981, that multiplied together give a palindrome (24566542).

The spelling of 182134981 in words is "one hundred eighty-two million, one hundred thirty-four thousand, nine hundred eighty-one".