138769710 has 16 divisors (see below), whose sum is σ = 333047376. Its totient is φ = 37005248.

The previous prime is 138769703. The next prime is 138769717. The reversal of 138769710 is 17967831.

It is an interprime number because it is at equal distance from previous prime (138769703) and next prime (138769717).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138769717) by changing a digit.

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, 2312799 + ... + 2312858.

It is an arithmetic number, because the mean of its divisors is an integer number (20815461).

Almost surely, 2^138769710 is an apocalyptic number.

138769710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138769710 is an abundant number, since it is smaller than the sum of its proper divisors (194277666).

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

138769710 is a wasteful number, since it uses less digits than its factorization.

138769710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625667.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 138769710 is about 11780.0556025852. The cubic root of 138769710 is about 517.7239153298.

The spelling of 138769710 in words is "one hundred thirty-eight million, seven hundred sixty-nine thousand, seven hundred ten".