135315550 has 24 divisors (see below), whose sum is σ = 252608832. Its totient is φ = 53928000.

The previous prime is 135315541. The next prime is 135315559. The reversal of 135315550 is 55513531.

It is an interprime number because it is at equal distance from previous prime (135315541) and next prime (135315559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135315559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9235 + ... + 18865.

It is an arithmetic number, because the mean of its divisors is an integer number (10525368).

Almost surely, 2^135315550 is an apocalyptic number.

135315550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135315550 is a deficient number, since it is larger than the sum of its proper divisors (117293282).

135315550 is a wasteful number, since it uses less digits than its factorization.

135315550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 28.

The square root of 135315550 is about 11632.5212228476. The cubic root of 135315550 is about 513.3921640376.

The spelling of 135315550 in words is "one hundred thirty-five million, three hundred fifteen thousand, five hundred fifty".