135550387 has 8 divisors (see below), whose sum is σ = 158693472. Its totient is φ = 113352000.

The previous prime is 135550361. The next prime is 135550391. The reversal of 135550387 is 783055531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135550387 - 2¹⁵ = 135517619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135550087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235864 + ... + 236437.

It is an arithmetic number, because the mean of its divisors is an integer number (19836684).

Almost surely, 2^135550387 is an apocalyptic number.

135550387 is a deficient number, since it is larger than the sum of its proper divisors (23143085).

135550387 is an equidigital number, since it uses as much as digits as its factorization.

135550387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472349.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 135550387 is about 11642.6108326268. The cubic root of 135550387 is about 513.6889857942.

The spelling of 135550387 in words is "one hundred thirty-five million, five hundred fifty thousand, three hundred eighty-seven".