138282763 has 4 divisors (see below), whose sum is σ = 138999448. Its totient is φ = 137566080.

The previous prime is 138282761. The next prime is 138282787. The reversal of 138282763 is 367282831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367282831 = 37 ⋅9926563.

It is a cyclic number.

It is not a de Polignac number, because 138282763 - 2¹ = 138282761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138282761) 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, 358053 + ... + 358438.

It is an arithmetic number, because the mean of its divisors is an integer number (34749862).

Almost surely, 2^138282763 is an apocalyptic number.

138282763 is a deficient number, since it is larger than the sum of its proper divisors (716685).

138282763 is an equidigital number, since it uses as much as digits as its factorization.

138282763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716684.

The product of its digits is 96768, while the sum is 40.

The square root of 138282763 is about 11759.3691582499. The cubic root of 138282763 is about 517.1176361357.

The spelling of 138282763 in words is "one hundred thirty-eight million, two hundred eighty-two thousand, seven hundred sixty-three".