1307133337 has 4 divisors (see below), whose sum is σ = 1307394100. Its totient is φ = 1306872576.

The previous prime is 1307133323. The next prime is 1307133353. The reversal of 1307133337 is 7333317031.

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 51423241 + 1255710096 = 7171^2 + 35436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307133337 - 2⁷ = 1307133209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1307133299 and 1307133308.

It is not an unprimeable number, because it can be changed into a prime (1307133397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122712 + ... + 132937.

It is an arithmetic number, because the mean of its divisors is an integer number (326848525).

Almost surely, 2^1307133337 is an apocalyptic number.

It is an amenable number.

1307133337 is a deficient number, since it is larger than the sum of its proper divisors (260763).

1307133337 is an equidigital number, since it uses as much as digits as its factorization.

1307133337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260762.

The product of its (nonzero) digits is 11907, while the sum is 31.

The square root of 1307133337 is about 36154.2990113209. The cubic root of 1307133337 is about 1093.3854668424.

The spelling of 1307133337 in words is "one billion, three hundred seven million, one hundred thirty-three thousand, three hundred thirty-seven".