1137770993 has 4 divisors (see below), whose sum is σ = 1145018100. Its totient is φ = 1130523888.

The previous prime is 1137770983. The next prime is 1137771001. The reversal of 1137770993 is 3990777311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425308129 + 712462864 = 20623^2 + 26692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137770993 - 2⁸ = 1137770737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137770983) 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 in 3 ways as a sum of consecutive naturals, for example, 3623318 + ... + 3623631.

It is an arithmetic number, because the mean of its divisors is an integer number (286254525).

Almost surely, 2^1137770993 is an apocalyptic number.

It is an amenable number.

1137770993 is a deficient number, since it is larger than the sum of its proper divisors (7247107).

1137770993 is an equidigital number, since it uses as much as digits as its factorization.

1137770993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247106.

The product of its (nonzero) digits is 250047, while the sum is 47.

The square root of 1137770993 is about 33730.8611363540. The cubic root of 1137770993 is about 1043.9626291898.

The spelling of 1137770993 in words is "one billion, one hundred thirty-seven million, seven hundred seventy thousand, nine hundred ninety-three".