182139373 has 4 divisors (see below), whose sum is σ = 196150108. Its totient is φ = 168128640.

The previous prime is 182139361. The next prime is 182139379. The reversal of 182139373 is 373931281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373931281 = 61 ⋅6130021.

It can be written as a sum of positive squares in 2 ways, for example, as 15264649 + 166874724 = 3907^2 + 12918^2 .

It is a cyclic number.

It is not a de Polignac number, because 182139373 - 2⁵ = 182139341 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 (182139379) 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, 7005348 + ... + 7005373.

It is an arithmetic number, because the mean of its divisors is an integer number (49037527).

Almost surely, 2^182139373 is an apocalyptic number.

182139373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

182139373 is a deficient number, since it is larger than the sum of its proper divisors (14010735).

182139373 is a wasteful number, since it uses less digits than its factorization.

182139373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010734.

The product of its digits is 27216, while the sum is 37.

The square root of 182139373 is about 13495.9020817432. The cubic root of 182139373 is about 566.8497321257.

The spelling of 182139373 in words is "one hundred eighty-two million, one hundred thirty-nine thousand, three hundred seventy-three".