135462438 has 48 divisors (see below), whose sum is σ = 310003200. Its totient is φ = 42631920.

The previous prime is 135462403. The next prime is 135462461. The reversal of 135462438 is 834264531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146943 + ... + 147861.

It is an arithmetic number, because the mean of its divisors is an integer number (6458400).

Almost surely, 2^135462438 is an apocalyptic number.

135462438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135462438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155001600).

135462438 is an abundant number, since it is smaller than the sum of its proper divisors (174540762).

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

135462438 is a wasteful number, since it uses less digits than its factorization.

135462438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1374 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 135462438 is about 11638.8331889412. The cubic root of 135462438 is about 513.5778630151.

The spelling of 135462438 in words is "one hundred thirty-five million, four hundred sixty-two thousand, four hundred thirty-eight".