26140147 has 16 divisors (see below), whose sum is σ = 29283840. Its totient is φ = 23133600.

The previous prime is 26140139. The next prime is 26140171. The reversal of 26140147 is 74104162.

It is a cyclic number.

It is not a de Polignac number, because 26140147 - 2³ = 26140139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26140187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109254 + ... + 109492.

It is an arithmetic number, because the mean of its divisors is an integer number (1830240).

Almost surely, 2^26140147 is an apocalyptic number.

26140147 is a deficient number, since it is larger than the sum of its proper divisors (3143693).

26140147 is a wasteful number, since it uses less digits than its factorization.

26140147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 26140147 is about 5112.7435883291. The cubic root of 26140147 is about 296.7809416821.

The spelling of 26140147 in words is "twenty-six million, one hundred forty thousand, one hundred forty-seven".