138266702 has 16 divisors (see below), whose sum is σ = 238762080. Its totient is φ = 58823808.

The previous prime is 138266683. The next prime is 138266741. The reversal of 138266702 is 207662831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34127 + ... + 37962.

It is an arithmetic number, because the mean of its divisors is an integer number (14922630).

Almost surely, 2^138266702 is an apocalyptic number.

138266702 is a deficient number, since it is larger than the sum of its proper divisors (100495378).

138266702 is a wasteful number, since it uses less digits than its factorization.

138266702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72235.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 138266702 is about 11758.6862361405. The cubic root of 138266702 is about 517.0976149662.

The spelling of 138266702 in words is "one hundred thirty-eight million, two hundred sixty-six thousand, seven hundred two".