138250151 has 4 divisors (see below), whose sum is σ = 148884792. Its totient is φ = 127615512.

The previous prime is 138250141. The next prime is 138250159. The reversal of 138250151 is 151052831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138250151 - 2⁶ = 138250087 is a prime.

It is a super-2 number, since 2×138250151² = 38226208503045602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138250151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138250159) 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, 5317301 + ... + 5317326.

It is an arithmetic number, because the mean of its divisors is an integer number (37221198).

Almost surely, 2^138250151 is an apocalyptic number.

138250151 is a deficient number, since it is larger than the sum of its proper divisors (10634641).

138250151 is a wasteful number, since it uses less digits than its factorization.

138250151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634640.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 138250151 is about 11757.9824374763. The cubic root of 138250151 is about 517.0769813549.

The spelling of 138250151 in words is "one hundred thirty-eight million, two hundred fifty thousand, one hundred fifty-one".