199374037 has 2 divisors, whose sum is σ = 199374038. Its totient is φ = 199374036.

The previous prime is 199374031. The next prime is 199374053. The reversal of 199374037 is 730473991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186022321 + 13351716 = 13639^2 + 3654^2 .

It is a cyclic number.

It is not a de Polignac number, because 199374037 - 2³ = 199374029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199373984 and 199374002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199374031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99687018 + 99687019.

It is an arithmetic number, because the mean of its divisors is an integer number (99687019).

Almost surely, 2^199374037 is an apocalyptic number.

It is an amenable number.

199374037 is a deficient number, since it is larger than the sum of its proper divisors (1).

199374037 is an equidigital number, since it uses as much as digits as its factorization.

199374037 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 199374037 is about 14119.9871458865. The cubic root of 199374037 is about 584.1928010523.

It can be divided in two parts, 1993 and 74037, that multiplied together give a palindrome (147555741).

The spelling of 199374037 in words is "one hundred ninety-nine million, three hundred seventy-four thousand, thirty-seven".