138233354 has 8 divisors (see below), whose sum is σ = 236971488. Its totient is φ = 59242860.

The previous prime is 138233353. The next prime is 138233363. The reversal of 138233354 is 453332831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 138233354.

It is not an unprimeable number, because it can be changed into a prime (138233351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4936892 + ... + 4936919.

It is an arithmetic number, because the mean of its divisors is an integer number (29621436).

Almost surely, 2^138233354 is an apocalyptic number.

138233354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138233354 is a deficient number, since it is larger than the sum of its proper divisors (98738134).

138233354 is an equidigital number, since it uses as much as digits as its factorization.

138233354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873820.

The product of its digits is 25920, while the sum is 32.

The square root of 138233354 is about 11757.2681350729. The cubic root of 138233354 is about 517.0560393794.

The spelling of 138233354 in words is "one hundred thirty-eight million, two hundred thirty-three thousand, three hundred fifty-four".