135551530 has 16 divisors (see below), whose sum is σ = 251864064. Its totient is φ = 52471440.

The previous prime is 135551513. The next prime is 135551543. The reversal of 135551530 is 35155531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218322 + ... + 218941.

It is an arithmetic number, because the mean of its divisors is an integer number (15741504).

Almost surely, 2^135551530 is an apocalyptic number.

135551530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135551530 is a deficient number, since it is larger than the sum of its proper divisors (116312534).

135551530 is a wasteful number, since it uses less digits than its factorization.

135551530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437301.

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

The square root of 135551530 is about 11642.6599194514. The cubic root of 135551530 is about 513.6904296481.

The spelling of 135551530 in words is "one hundred thirty-five million, five hundred fifty-one thousand, five hundred thirty".