26138001 has 8 divisors (see below), whose sum is σ = 35189440. Its totient is φ = 17255952.

The previous prime is 26137987. The next prime is 26138009. The reversal of 26138001 is 10083162.

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

It is not a de Polignac number, because 26138001 - 2¹³ = 26129809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26138009) 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, 41986 + ... + 42603.

It is an arithmetic number, because the mean of its divisors is an integer number (4398680).

Almost surely, 2^26138001 is an apocalyptic number.

It is an amenable number.

26138001 is a deficient number, since it is larger than the sum of its proper divisors (9051439).

26138001 is a wasteful number, since it uses less digits than its factorization.

26138001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84695.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 26138001 is about 5112.5337162702. The cubic root of 26138001 is about 296.7728199561.

The spelling of 26138001 in words is "twenty-six million, one hundred thirty-eight thousand, one".