138677001 has 8 divisors (see below), whose sum is σ = 186081024. Its totient is φ = 91862160.

The previous prime is 138676949. The next prime is 138677083. The reversal of 138677001 is 100776831.

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

It is not a de Polignac number, because 138677001 - 2⁷ = 138676873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138677501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146745 + ... + 147686.

It is an arithmetic number, because the mean of its divisors is an integer number (23260128).

Almost surely, 2^138677001 is an apocalyptic number.

It is an amenable number.

138677001 is a deficient number, since it is larger than the sum of its proper divisors (47404023).

138677001 is a wasteful number, since it uses less digits than its factorization.

138677001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294591.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 138677001 is about 11776.1199467397. The cubic root of 138677001 is about 517.6085963140.

It can be divided in two parts, 1386 and 77001, that added together give a palindrome (78387).

The spelling of 138677001 in words is "one hundred thirty-eight million, six hundred seventy-seven thousand, one".