138574514 has 16 divisors (see below), whose sum is σ = 237019608. Its totient is φ = 60195072.

The previous prime is 138574507. The next prime is 138574519. The reversal of 138574514 is 415475831.

It can be written as a sum of positive squares in 4 ways, for example, as 104550625 + 34023889 = 10225^2 + 5833^2 .

It is not an unprimeable number, because it can be changed into a prime (138574519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156317 + ... + 157200.

Almost surely, 2^138574514 is an apocalyptic number.

138574514 is a deficient number, since it is larger than the sum of its proper divisors (98445094).

138574514 is a wasteful number, since it uses less digits than its factorization.

138574514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313549.

The product of its digits is 67200, while the sum is 38.

The square root of 138574514 is about 11771.7676667525. The cubic root of 138574514 is about 517.4810547959.

The spelling of 138574514 in words is "one hundred thirty-eight million, five hundred seventy-four thousand, five hundred fourteen".