138360998 has 16 divisors (see below), whose sum is σ = 215669760. Its totient is φ = 66501000.

The previous prime is 138360991. The next prime is 138361007. The reversal of 138360998 is 899063831.

138360998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138360991) 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, 1973 + ... + 16751.

It is an arithmetic number, because the mean of its divisors is an integer number (13479360).

Almost surely, 2^138360998 is an apocalyptic number.

138360998 is a deficient number, since it is larger than the sum of its proper divisors (77308762).

138360998 is a wasteful number, since it uses less digits than its factorization.

138360998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 138360998 is about 11762.6951843529. The cubic root of 138360998 is about 517.2151394209.

The spelling of 138360998 in words is "one hundred thirty-eight million, three hundred sixty thousand, nine hundred ninety-eight".