138476422 has 64 divisors (see below), whose sum is σ = 260029440. Its totient is φ = 54020736.

The previous prime is 138476381. The next prime is 138476423. The reversal of 138476422 is 224674831.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138476423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702828 + ... + 703024.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 2^138476422 is an apocalyptic number.

138476422 is a deficient number, since it is larger than the sum of its proper divisors (121553018).

138476422 is a wasteful number, since it uses less digits than its factorization.

138476422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 64512, while the sum is 37.

The square root of 138476422 is about 11767.6005200721. The cubic root of 138476422 is about 517.3589237918.

The spelling of 138476422 in words is "one hundred thirty-eight million, four hundred seventy-six thousand, four hundred twenty-two".