138077714 has 4 divisors (see below), whose sum is σ = 207116574. Its totient is φ = 69038856.

The previous prime is 138077713. The next prime is 138077777. The reversal of 138077714 is 417770831.

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

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 32296489 = 10285^2 + 5683^2 .

It is not an unprimeable number, because it can be changed into a prime (138077713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34519427 + ... + 34519430.

Almost surely, 2^138077714 is an apocalyptic number.

138077714 is a deficient number, since it is larger than the sum of its proper divisors (69038860).

138077714 is an equidigital number, since it uses as much as digits as its factorization.

138077714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69038859.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 138077714 is about 11750.6473864209. The cubic root of 138077714 is about 516.8619115483.

The spelling of 138077714 in words is "one hundred thirty-eight million, seventy-seven thousand, seven hundred fourteen".