190743937 has 2 divisors, whose sum is σ = 190743938. Its totient is φ = 190743936.

The previous prime is 190743929. The next prime is 190743941. The reversal of 190743937 is 739347091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157979761 + 32764176 = 12569^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 190743937 - 2³ = 190743929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190743893 and 190743902.

It is not a weakly prime, because it can be changed into another prime (190743977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95371968 + 95371969.

It is an arithmetic number, because the mean of its divisors is an integer number (95371969).

Almost surely, 2^190743937 is an apocalyptic number.

It is an amenable number.

190743937 is a deficient number, since it is larger than the sum of its proper divisors (1).

190743937 is an equidigital number, since it uses as much as digits as its factorization.

190743937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 190743937 is about 13811.0078198515. The cubic root of 190743937 is about 575.6390495537.

The spelling of 190743937 in words is "one hundred ninety million, seven hundred forty-three thousand, nine hundred thirty-seven".