192139229 has 4 divisors (see below), whose sum is σ = 202251840. Its totient is φ = 182026620.

The previous prime is 192139201. The next prime is 192139231. The reversal of 192139229 is 922931291.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192139229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192139192 and 192139201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192139429) 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, 5056277 + ... + 5056314.

It is an arithmetic number, because the mean of its divisors is an integer number (50562960).

Almost surely, 2^192139229 is an apocalyptic number.

192139229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

192139229 is a deficient number, since it is larger than the sum of its proper divisors (10112611).

192139229 is a wasteful number, since it uses less digits than its factorization.

192139229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112610.

The product of its digits is 17496, while the sum is 38.

The square root of 192139229 is about 13861.4295438818. The cubic root of 192139229 is about 577.0392409337.

The spelling of 192139229 in words is "one hundred ninety-two million, one hundred thirty-nine thousand, two hundred twenty-nine".