138332435 has 8 divisors (see below), whose sum is σ = 166294080. Its totient is φ = 110469184.

The previous prime is 138332423. The next prime is 138332437. The reversal of 138332435 is 534233831.

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

It is a cyclic number.

It is not a de Polignac number, because 138332435 - 2⁶ = 138332371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138332437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21467 + ... + 27156.

It is an arithmetic number, because the mean of its divisors is an integer number (20786760).

Almost surely, 2^138332435 is an apocalyptic number.

138332435 is a deficient number, since it is larger than the sum of its proper divisors (27961645).

138332435 is an equidigital number, since it uses as much as digits as its factorization.

138332435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49197.

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

The square root of 138332435 is about 11761.4809866785. The cubic root of 138332435 is about 517.1795459783.

The spelling of 138332435 in words is "one hundred thirty-eight million, three hundred thirty-two thousand, four hundred thirty-five".