135451580 has 48 divisors (see below), whose sum is σ = 328569696. Its totient is φ = 46356480.

The previous prime is 135451571. The next prime is 135451619. The reversal of 135451580 is 85154531.

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 15 ways as a sum of consecutive naturals, for example, 14369 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (6845202).

Almost surely, 2^135451580 is an apocalyptic number.

135451580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135451580 is an abundant number, since it is smaller than the sum of its proper divisors (193118116).

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

135451580 is a wasteful number, since it uses less digits than its factorization.

135451580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36254 (or 36252 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 135451580 is about 11638.3667239007. The cubic root of 135451580 is about 513.5641406934.

The spelling of 135451580 in words is "one hundred thirty-five million, four hundred fifty-one thousand, five hundred eighty".