138174513 has 8 divisors (see below), whose sum is σ = 185453376. Its totient is φ = 91506000.

The previous prime is 138174511. The next prime is 138174541. The reversal of 138174513 is 315471831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138174513 - 2¹ = 138174511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138174511) 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, 152058 + ... + 152963.

It is an arithmetic number, because the mean of its divisors is an integer number (23181672).

Almost surely, 2^138174513 is an apocalyptic number.

It is an amenable number.

138174513 is a deficient number, since it is larger than the sum of its proper divisors (47278863).

138174513 is a wasteful number, since it uses less digits than its factorization.

138174513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305175.

The product of its digits is 10080, while the sum is 33.

The square root of 138174513 is about 11754.7655442378. The cubic root of 138174513 is about 516.9826648733.

The spelling of 138174513 in words is "one hundred thirty-eight million, one hundred seventy-four thousand, five hundred thirteen".