138202260 has 48 divisors (see below), whose sum is σ = 442248576. Its totient is φ = 31588992.

The previous prime is 138202241. The next prime is 138202343. The reversal of 138202260 is 62202831.

It is a super-3 number, since 3×138202260³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138202260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164107 + ... + 164946.

It is an arithmetic number, because the mean of its divisors is an integer number (9213512).

Almost surely, 2^138202260 is an apocalyptic number.

138202260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138202260 is an abundant number, since it is smaller than the sum of its proper divisors (304046316).

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

138202260 is a wasteful number, since it uses less digits than its factorization.

138202260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329072 (or 329070 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 138202260 is about 11755.9457297148. The cubic root of 138202260 is about 517.0172678730.

The spelling of 138202260 in words is "one hundred thirty-eight million, two hundred two thousand, two hundred sixty".