1137406769 has 2 divisors, whose sum is σ = 1137406770. Its totient is φ = 1137406768.

The previous prime is 1137406763. The next prime is 1137406813. The reversal of 1137406769 is 9676047311.

It is an a-pointer prime, because the next prime (1137406813) can be obtained adding 1137406769 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648466225 + 488940544 = 25465^2 + 22112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137406769 - 2²⁰ = 1136358193 is a prime.

It is a super-2 number, since 2×1137406769² = 2587388316334038722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1137406763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568703384 + 568703385.

It is an arithmetic number, because the mean of its divisors is an integer number (568703385).

Almost surely, 2^1137406769 is an apocalyptic number.

It is an amenable number.

1137406769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137406769 is an equidigital number, since it uses as much as digits as its factorization.

1137406769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1137406769 is about 33725.4617314574. The cubic root of 1137406769 is about 1043.8512192992.

The spelling of 1137406769 in words is "one billion, one hundred thirty-seven million, four hundred six thousand, seven hundred sixty-nine".