135448540 has 24 divisors (see below), whose sum is σ = 288690192. Its totient is φ = 53370240.

The previous prime is 135448519. The next prime is 135448561. The reversal of 135448540 is 45844531.

It is an interprime number because it is at equal distance from previous prime (135448519) and next prime (135448561).

It is a junction number, because it is equal to n+sod(n) for n = 135448496 and 135448505.

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 7 ways as a sum of consecutive naturals, for example, 49201 + ... + 51880.

It is an arithmetic number, because the mean of its divisors is an integer number (12028758).

Almost surely, 2^135448540 is an apocalyptic number.

135448540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135448540 is an abundant number, since it is smaller than the sum of its proper divisors (153241652).

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

135448540 is a wasteful number, since it uses less digits than its factorization.

135448540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101157 (or 101155 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 135448540 is about 11638.2361206499. The cubic root of 135448540 is about 513.5602986153.

It can be divided in two parts, 1354 and 48540, that added together give a palindrome (49894).

The spelling of 135448540 in words is "one hundred thirty-five million, four hundred forty-eight thousand, five hundred forty".