190725133 has 2 divisors, whose sum is σ = 190725134. Its totient is φ = 190725132.

The previous prime is 190725089. The next prime is 190725137. The reversal of 190725133 is 331527091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184878409 + 5846724 = 13597^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 190725133 - 2¹³ = 190716941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190725095 and 190725104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190725137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95362566 + 95362567.

It is an arithmetic number, because the mean of its divisors is an integer number (95362567).

Almost surely, 2^190725133 is an apocalyptic number.

It is an amenable number.

190725133 is a deficient number, since it is larger than the sum of its proper divisors (1).

190725133 is an equidigital number, since it uses as much as digits as its factorization.

190725133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 190725133 is about 13810.3270417467. The cubic root of 190725133 is about 575.6201329674.

The spelling of 190725133 in words is "one hundred ninety million, seven hundred twenty-five thousand, one hundred thirty-three".