1137849841 has 2 divisors, whose sum is σ = 1137849842. Its totient is φ = 1137849840.

The previous prime is 1137849799. The next prime is 1137849847. The reversal of 1137849841 is 1489487311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041417441 + 96432400 = 32271^2 + 9820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137849841 - 2⁹ = 1137849329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1137849791 and 1137849800.

It is not a weakly prime, because it can be changed into another prime (1137849847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568924920 + 568924921.

It is an arithmetic number, because the mean of its divisors is an integer number (568924921).

Almost surely, 2^1137849841 is an apocalyptic number.

It is an amenable number.

1137849841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137849841 is an equidigital number, since it uses as much as digits as its factorization.

1137849841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 46.

The square root of 1137849841 is about 33732.0298974135. The cubic root of 1137849841 is about 1043.9867443133.

The spelling of 1137849841 in words is "one billion, one hundred thirty-seven million, eight hundred forty-nine thousand, eight hundred forty-one".