138344283 has 48 divisors (see below), whose sum is σ = 263817216. Its totient is φ = 67633920.

The previous prime is 138344251. The next prime is 138344293. The reversal of 138344283 is 382443831.

It is a happy number.

138344283 is a `hidden beast` number, since 1 + 38 + 344 + 283 = 666.

It is not a de Polignac number, because 138344283 - 2⁵ = 138344251 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (138344233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5910 + ... + 17652.

It is an arithmetic number, because the mean of its divisors is an integer number (5496192).

Almost surely, 2^138344283 is an apocalyptic number.

138344283 is a deficient number, since it is larger than the sum of its proper divisors (125472933).

138344283 is a wasteful number, since it uses less digits than its factorization.

138344283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784 (or 11781 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 138344283 is about 11761.9846539604. The cubic root of 138344283 is about 517.1943108172.

The spelling of 138344283 in words is "one hundred thirty-eight million, three hundred forty-four thousand, two hundred eighty-three".