135347478 has 64 divisors (see below), whose sum is σ = 323108352. Its totient is φ = 36990720.

The previous prime is 135347477. The next prime is 135347501. The reversal of 135347478 is 874743531.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135347477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90525 + ... + 92007.

It is an arithmetic number, because the mean of its divisors is an integer number (5048568).

Almost surely, 2^135347478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135347478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161554176).

135347478 is an abundant number, since it is smaller than the sum of its proper divisors (187760874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135347478 is a wasteful number, since it uses less digits than its factorization.

135347478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its digits is 282240, while the sum is 42.

The square root of 135347478 is about 11633.8935013176. The cubic root of 135347478 is about 513.4325395302.

It can be divided in two parts, 13534 and 7478, that added together give a palindrome (21012).

The spelling of 135347478 in words is "one hundred thirty-five million, three hundred forty-seven thousand, four hundred seventy-eight".