135855479 has 8 divisors (see below), whose sum is σ = 139751472. Its totient is φ = 132013440.

The previous prime is 135855389. The next prime is 135855497. The reversal of 135855479 is 974558531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135855479 is a prime.

It is a super-2 number, since 2×135855479² = 36913422348638882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135858479) 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, 8354 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (17468934).

Almost surely, 2^135855479 is an apocalyptic number.

135855479 is a deficient number, since it is larger than the sum of its proper divisors (3895993).

135855479 is an equidigital number, since it uses as much as digits as its factorization.

135855479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26977.

The product of its digits is 756000, while the sum is 47.

The square root of 135855479 is about 11655.7058559317. The cubic root of 135855479 is about 514.0740946545.

The spelling of 135855479 in words is "one hundred thirty-five million, eight hundred fifty-five thousand, four hundred seventy-nine".