1386133337 has 4 divisors (see below), whose sum is σ = 1418369040. Its totient is φ = 1353897636.

The previous prime is 1386133313. The next prime is 1386133363. The reversal of 1386133337 is 7333316831.

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.

It is a cyclic number.

It is not a de Polignac number, because 1386133337 - 2¹⁶ = 1386067801 is a prime.

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 1386133337.

It is not an unprimeable number, because it can be changed into a prime (1386133237) 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, 16117787 + ... + 16117872.

It is an arithmetic number, because the mean of its divisors is an integer number (354592260).

Almost surely, 2^1386133337 is an apocalyptic number.

It is an amenable number.

1386133337 is a deficient number, since it is larger than the sum of its proper divisors (32235703).

1386133337 is an equidigital number, since it uses as much as digits as its factorization.

1386133337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32235702.

The product of its digits is 81648, while the sum is 38.

The square root of 1386133337 is about 37230.8116618480. The cubic root of 1386133337 is about 1114.9832320670.

The spelling of 1386133337 in words is "one billion, three hundred eighty-six million, one hundred thirty-three thousand, three hundred thirty-seven".