138207482 has 16 divisors (see below), whose sum is σ = 249397440. Its totient is φ = 56114208.

The previous prime is 138207481. The next prime is 138207499. The reversal of 138207482 is 284702831.

138207482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138207481) 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, 259523 + ... + 260054.

It is an arithmetic number, because the mean of its divisors is an integer number (15587340).

Almost surely, 2^138207482 is an apocalyptic number.

138207482 is a deficient number, since it is larger than the sum of its proper divisors (111189958).

138207482 is a wasteful number, since it uses less digits than its factorization.

138207482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519605.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 138207482 is about 11756.1678279957. The cubic root of 138207482 is about 517.0237796579.

The spelling of 138207482 in words is "one hundred thirty-eight million, two hundred seven thousand, four hundred eighty-two".