135832478 has 4 divisors (see below), whose sum is σ = 203748720. Its totient is φ = 67916238.

The previous prime is 135832471. The next prime is 135832511. The reversal of 135832478 is 874238531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874238531 = 41 ⋅21322891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135832471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33958118 + ... + 33958121.

It is an arithmetic number, because the mean of its divisors is an integer number (50937180).

Almost surely, 2^135832478 is an apocalyptic number.

135832478 is a deficient number, since it is larger than the sum of its proper divisors (67916242).

135832478 is an equidigital number, since it uses as much as digits as its factorization.

135832478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67916241.

The product of its digits is 161280, while the sum is 41.

The square root of 135832478 is about 11654.7191300348. The cubic root of 135832478 is about 514.0450812605.

It can be divided in two parts, 13583 and 2478, that added together give a palindrome (16061).

The spelling of 135832478 in words is "one hundred thirty-five million, eight hundred thirty-two thousand, four hundred seventy-eight".