11426139 has 6 divisors (see below), whose sum is σ = 16504436. Its totient is φ = 7617420.

The previous prime is 11426119. The next prime is 11426141. The reversal of 11426139 is 93162411.

11426139 is a `hidden beast` number, since 1 + 1 + 42 + 613 + 9 = 666.

It is not a de Polignac number, because 11426139 - 2¹³ = 11417947 is a prime.

It is a super-3 number, since 3×11426139³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11426119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634777 + ... + 634794.

Almost surely, 2^11426139 is an apocalyptic number.

11426139 is a deficient number, since it is larger than the sum of its proper divisors (5078297).

11426139 is a wasteful number, since it uses less digits than its factorization.

11426139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269577 (or 1269574 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11426139 is about 3380.2572387320. The cubic root of 11426139 is about 225.2335944360.

The spelling of 11426139 in words is "eleven million, four hundred twenty-six thousand, one hundred thirty-nine".