26051139 has 10 divisors (see below), whose sum is σ = 38916020. Its totient is φ = 17367372.

The previous prime is 26051131. The next prime is 26051159. The reversal of 26051139 is 93115062.

It is not a de Polignac number, because 26051139 - 2³ = 26051131 is a prime.

It is a super-3 number, since 3×26051139³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26051131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 160729 + ... + 160890.

It is an arithmetic number, because the mean of its divisors is an integer number (3891602).

Almost surely, 2^26051139 is an apocalyptic number.

26051139 is a deficient number, since it is larger than the sum of its proper divisors (12864881).

26051139 is an equidigital number, since it uses as much as digits as its factorization.

26051139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321631 (or 321622 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 26051139 is about 5104.0316417514. The cubic root of 26051139 is about 296.4437092353.

The spelling of 26051139 in words is "twenty-six million, fifty-one thousand, one hundred thirty-nine".