138170622 has 16 divisors (see below), whose sum is σ = 290885760. Its totient is φ = 43632792.

The previous prime is 138170609. The next prime is 138170633. The reversal of 138170622 is 226071831.

138170622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138170622² = 38182241567733768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138170622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605898 + ... + 606125.

It is an arithmetic number, because the mean of its divisors is an integer number (18180360).

Almost surely, 2^138170622 is an apocalyptic number.

138170622 is an abundant number, since it is smaller than the sum of its proper divisors (152715138).

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

138170622 is a wasteful number, since it uses less digits than its factorization.

138170622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212047.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 138170622 is about 11754.6000357307. The cubic root of 138170622 is about 516.9778120766.

The spelling of 138170622 in words is "one hundred thirty-eight million, one hundred seventy thousand, six hundred twenty-two".