182140463 has 4 divisors (see below), whose sum is σ = 186015840. Its totient is φ = 178265088.

The previous prime is 182140459. The next prime is 182140477. The reversal of 182140463 is 364041281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364041281 = 17 ⋅21414193.

It is a cyclic number.

It is not a de Polignac number, because 182140463 - 2² = 182140459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182140663) 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, 1937618 + ... + 1937711.

It is an arithmetic number, because the mean of its divisors is an integer number (46503960).

Almost surely, 2^182140463 is an apocalyptic number.

182140463 is a deficient number, since it is larger than the sum of its proper divisors (3875377).

182140463 is an equidigital number, since it uses as much as digits as its factorization.

182140463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875376.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 182140463 is about 13495.9424643113. The cubic root of 182140463 is about 566.8508628806.

The spelling of 182140463 in words is "one hundred eighty-two million, one hundred forty thousand, four hundred sixty-three".