189276137 has 2 divisors, whose sum is σ = 189276138. Its totient is φ = 189276136.

The previous prime is 189276133. The next prime is 189276149. The reversal of 189276137 is 731672981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 54228496 = 11621^2 + 7364^2 .

It is a cyclic number.

It is not a de Polignac number, because 189276137 - 2² = 189276133 is a prime.

It is not a weakly prime, because it can be changed into another prime (189276133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94638068 + 94638069.

It is an arithmetic number, because the mean of its divisors is an integer number (94638069).

Almost surely, 2^189276137 is an apocalyptic number.

It is an amenable number.

189276137 is a deficient number, since it is larger than the sum of its proper divisors (1).

189276137 is an equidigital number, since it uses as much as digits as its factorization.

189276137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 44.

The square root of 189276137 is about 13757.7664248235. The cubic root of 189276137 is about 574.1587061707.

The spelling of 189276137 in words is "one hundred eighty-nine million, two hundred seventy-six thousand, one hundred thirty-seven".