1099538137 has 2 divisors, whose sum is σ = 1099538138. Its totient is φ = 1099538136.

The previous prime is 1099538119. The next prime is 1099538201. The reversal of 1099538137 is 7318359901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627953481 + 471584656 = 25059^2 + 21716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099538137 - 2⁷ = 1099538009 is a prime.

It is a super-2 number, since 2×1099538137² = 2417968229434861538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1099538537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549769068 + 549769069.

It is an arithmetic number, because the mean of its divisors is an integer number (549769069).

Almost surely, 2^1099538137 is an apocalyptic number.

It is an amenable number.

1099538137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099538137 is an equidigital number, since it uses as much as digits as its factorization.

1099538137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1099538137 is about 33159.2843258114. The cubic root of 1099538137 is about 1032.1356188701.

The spelling of 1099538137 in words is "one billion, ninety-nine million, five hundred thirty-eight thousand, one hundred thirty-seven".