1137445747 has 2 divisors, whose sum is σ = 1137445748. Its totient is φ = 1137445746.

The previous prime is 1137445679. The next prime is 1137445853. The reversal of 1137445747 is 7475447311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137445747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137445447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568722873 + 568722874.

It is an arithmetic number, because the mean of its divisors is an integer number (568722874).

Almost surely, 2^1137445747 is an apocalyptic number.

1137445747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137445747 is an equidigital number, since it uses as much as digits as its factorization.

1137445747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 43.

The square root of 1137445747 is about 33726.0395985061. The cubic root of 1137445747 is about 1043.8631431389.

It can be divided in two parts, 11374 and 45747, that added together give a square (57121 = 239²).

The spelling of 1137445747 in words is "one billion, one hundred thirty-seven million, four hundred forty-five thousand, seven hundred forty-seven".