135236477 has 8 divisors (see below), whose sum is σ = 140190720. Its totient is φ = 130319280.

The previous prime is 135236467. The next prime is 135236489. The reversal of 135236477 is 774632531.

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

It is a cyclic number.

It is not a de Polignac number, because 135236477 - 2⁴ = 135236461 is a prime.

It is a super-2 number, since 2×135236477² = 36577809422743058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135236477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135236407) 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, 1718 + ... + 16535.

It is an arithmetic number, because the mean of its divisors is an integer number (17523840).

Almost surely, 2^135236477 is an apocalyptic number.

It is an amenable number.

135236477 is a deficient number, since it is larger than the sum of its proper divisors (4954243).

135236477 is a wasteful number, since it uses less digits than its factorization.

135236477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523.

The product of its digits is 105840, while the sum is 38.

The square root of 135236477 is about 11629.1219358987. The cubic root of 135236477 is about 513.2921425973.

The spelling of 135236477 in words is "one hundred thirty-five million, two hundred thirty-six thousand, four hundred seventy-seven".