138022294 has 16 divisors (see below), whose sum is σ = 209281968. Its totient is φ = 68265472.

The previous prime is 138022267. The next prime is 138022301. The reversal of 138022294 is 492220831.

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, 96009 + ... + 97435.

It is an arithmetic number, because the mean of its divisors is an integer number (13080123).

Almost surely, 2^138022294 is an apocalyptic number.

138022294 is a deficient number, since it is larger than the sum of its proper divisors (71259674).

138022294 is a wasteful number, since it uses less digits than its factorization.

138022294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 138022294 is about 11748.2889818050. The cubic root of 138022294 is about 516.7927516540.

The spelling of 138022294 in words is "one hundred thirty-eight million, twenty-two thousand, two hundred ninety-four".