1386545233 has 4 divisors (see below), whose sum is σ = 1397463040. Its totient is φ = 1375627428.

The previous prime is 1386545227. The next prime is 1386545263. The reversal of 1386545233 is 3325456831.

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 an emirpimes, since its reverse is a distinct semiprime: 3325456831 = 31 ⋅107272801.

It is a cyclic number.

It is not a de Polignac number, because 1386545233 - 2⁵ = 1386545201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386545203) 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, 5458713 + ... + 5458966.

It is an arithmetic number, because the mean of its divisors is an integer number (349365760).

Almost surely, 2^1386545233 is an apocalyptic number.

It is an amenable number.

1386545233 is a deficient number, since it is larger than the sum of its proper divisors (10917807).

1386545233 is a wasteful number, since it uses less digits than its factorization.

1386545233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917806.

The product of its digits is 259200, while the sum is 40.

The square root of 1386545233 is about 37236.3429058225. The cubic root of 1386545233 is about 1115.0936619558.

The spelling of 1386545233 in words is "one billion, three hundred eighty-six million, five hundred forty-five thousand, two hundred thirty-three".