138848583 has 16 divisors (see below), whose sum is σ = 188006400. Its totient is φ = 91135200.

The previous prime is 138848557. The next prime is 138848587. The reversal of 138848583 is 385848831.

It is not a de Polignac number, because 138848583 - 2⁶ = 138848519 is a prime.

It is a super-2 number, since 2×138848583² = 38557858002215778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138848587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120058 + ... + 121208.

It is an arithmetic number, because the mean of its divisors is an integer number (11750400).

Almost surely, 2^138848583 is an apocalyptic number.

138848583 is a deficient number, since it is larger than the sum of its proper divisors (49157817).

138848583 is a wasteful number, since it uses less digits than its factorization.

138848583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 737280, while the sum is 48.

The square root of 138848583 is about 11783.4028616525. The cubic root of 138848583 is about 517.8219835716.

The spelling of 138848583 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, five hundred eighty-three".