138114670 has 16 divisors (see below), whose sum is σ = 253896768. Its totient is φ = 54070240.

The previous prime is 138114649. The next prime is 138114677. The reversal of 138114670 is 76411831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138114677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146461 + ... + 147400.

It is an arithmetic number, because the mean of its divisors is an integer number (15868548).

Almost surely, 2^138114670 is an apocalyptic number.

138114670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138114670 is a deficient number, since it is larger than the sum of its proper divisors (115782098).

138114670 is a wasteful number, since it uses less digits than its factorization.

138114670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293915.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 138114670 is about 11752.2197903205. The cubic root of 138114670 is about 516.9080195078.

It can be divided in two parts, 13811 and 4670, that added together give a palindrome (18481).

The spelling of 138114670 in words is "one hundred thirty-eight million, one hundred fourteen thousand, six hundred seventy".