138162246 has 8 divisors (see below), whose sum is σ = 276324504. Its totient is φ = 46054080.

The previous prime is 138162229. The next prime is 138162263. The reversal of 138162246 is 642261831.

It is an interprime number because it is at equal distance from previous prime (138162229) and next prime (138162263).

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

138162246 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11513515 + ... + 11513526.

It is an arithmetic number, because the mean of its divisors is an integer number (34540563).

Almost surely, 2^138162246 is an apocalyptic number.

138162246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138162246 is a wasteful number, since it uses less digits than its factorization.

138162246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23027046.

The product of its digits is 13824, while the sum is 33.

The square root of 138162246 is about 11754.2437442823. The cubic root of 138162246 is about 516.9673653464.

The spelling of 138162246 in words is "one hundred thirty-eight million, one hundred sixty-two thousand, two hundred forty-six".