138267741 has 4 divisors (see below), whose sum is σ = 184356992. Its totient is φ = 92178492.

The previous prime is 138267721. The next prime is 138267761. The reversal of 138267741 is 147762831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (138267721) and next prime (138267761).

It is not a de Polignac number, because 138267741 - 2⁶ = 138267677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138267741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138267721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23044621 + ... + 23044626.

It is an arithmetic number, because the mean of its divisors is an integer number (46089248).

Almost surely, 2^138267741 is an apocalyptic number.

It is an amenable number.

138267741 is a deficient number, since it is larger than the sum of its proper divisors (46089251).

138267741 is an equidigital number, since it uses as much as digits as its factorization.

138267741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46089250.

The product of its digits is 56448, while the sum is 39.

The square root of 138267741 is about 11758.7304161631. The cubic root of 138267741 is about 517.0989101999.

The spelling of 138267741 in words is "one hundred thirty-eight million, two hundred sixty-seven thousand, seven hundred forty-one".