26251400139 has 8 divisors (see below), whose sum is σ = 35011188432. Its totient is φ = 17496272640.

The previous prime is 26251400117. The next prime is 26251400143. The reversal of 26251400139 is 93100415262.

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

It is not a de Polignac number, because 26251400139 - 2⁹ = 26251399627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26251400159) 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, 1152034 + ... + 1174599.

It is an arithmetic number, because the mean of its divisors is an integer number (4376398554).

Almost surely, 2^26251400139 is an apocalyptic number.

26251400139 is a deficient number, since it is larger than the sum of its proper divisors (8759788293).

26251400139 is a wasteful number, since it uses less digits than its factorization.

26251400139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330397.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 26251400139 in words is "twenty-six billion, two hundred fifty-one million, four hundred thousand, one hundred thirty-nine".