26142358138 has 8 divisors (see below), whose sum is σ = 42229963188. Its totient is φ = 12065703744.

The previous prime is 26142358133. The next prime is 26142358147. The reversal of 26142358138 is 83185324162.

It can be written as a sum of positive squares in 2 ways, for example, as 21554056969 + 4588301169 = 146813^2 + 67737^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 26142358094 and 26142358103.

It is not an unprimeable number, because it can be changed into a prime (26142358133) 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, 502737631 + ... + 502737682.

Almost surely, 2^26142358138 is an apocalyptic number.

26142358138 is a deficient number, since it is larger than the sum of its proper divisors (16087605050).

26142358138 is a wasteful number, since it uses less digits than its factorization.

26142358138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005475328.

The product of its digits is 276480, while the sum is 43.

The spelling of 26142358138 in words is "twenty-six billion, one hundred forty-two million, three hundred fifty-eight thousand, one hundred thirty-eight".