138077467 has 4 divisors (see below), whose sum is σ = 150629976. Its totient is φ = 125524960.

The previous prime is 138077453. The next prime is 138077473. The reversal of 138077467 is 764770831.

138077467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 138077467 - 2⁷ = 138077339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138077447) 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, 6276238 + ... + 6276259.

It is an arithmetic number, because the mean of its divisors is an integer number (37657494).

Almost surely, 2^138077467 is an apocalyptic number.

138077467 is a deficient number, since it is larger than the sum of its proper divisors (12552509).

138077467 is a wasteful number, since it uses less digits than its factorization.

138077467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552508.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 138077467 is about 11750.6368763570. The cubic root of 138077467 is about 516.8616033524.

The spelling of 138077467 in words is "one hundred thirty-eight million, seventy-seven thousand, four hundred sixty-seven".