138092998 has 8 divisors (see below), whose sum is σ = 207286992. Its totient is φ = 68997336.

The previous prime is 138092987. The next prime is 138093001. The reversal of 138092998 is 899290831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20965 + ... + 26752.

It is an arithmetic number, because the mean of its divisors is an integer number (25910874).

Almost surely, 2^138092998 is an apocalyptic number.

138092998 is a deficient number, since it is larger than the sum of its proper divisors (69193994).

138092998 is a wasteful number, since it uses less digits than its factorization.

138092998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49166.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 138092998 is about 11751.2977155717. The cubic root of 138092998 is about 516.8809815483.

It can be divided in two parts, 13809 and 2998, that added together give a 5-th power (16807 = 7⁵).

The spelling of 138092998 in words is "one hundred thirty-eight million, ninety-two thousand, nine hundred ninety-eight".