138092202 has 40 divisors (see below), whose sum is σ = 313694436. Its totient is φ = 45396288.

The previous prime is 138092183. The next prime is 138092219. The reversal of 138092202 is 202290831.

It is a happy number.

138092202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130850721 + 7241481 = 11439^2 + 2691^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5988 + ... + 17664.

Almost surely, 2^138092202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138092202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156847218).

138092202 is an abundant number, since it is smaller than the sum of its proper divisors (175602234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138092202 is a wasteful number, since it uses less digits than its factorization.

138092202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764 (or 11755 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 138092202 is about 11751.2638469230. The cubic root of 138092202 is about 516.8799884058.

The spelling of 138092202 in words is "one hundred thirty-eight million, ninety-two thousand, two hundred two".