1337064997 has 4 divisors (see below), whose sum is σ = 1337142016. Its totient is φ = 1336987980.

The previous prime is 1337064983. The next prime is 1337065013. The reversal of 1337064997 is 7994607331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1337064997 - 2¹¹ = 1337062949 is a prime.

It is a super-2 number, since 2×1337064997² = 3575485612405220018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1337064997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1337064947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138 + ... + 51724.

It is an arithmetic number, because the mean of its divisors is an integer number (334285504).

Almost surely, 2^1337064997 is an apocalyptic number.

It is an amenable number.

1337064997 is a deficient number, since it is larger than the sum of its proper divisors (77019).

1337064997 is an equidigital number, since it uses as much as digits as its factorization.

1337064997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77018.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 1337064997 is about 36565.8993735967. The cubic root of 1337064997 is about 1101.6682666892.

The spelling of 1337064997 in words is "one billion, three hundred thirty-seven million, sixty-four thousand, nine hundred ninety-seven".