135039487 has 4 divisors (see below), whose sum is σ = 147315816. Its totient is φ = 122763160.

The previous prime is 135039467. The next prime is 135039493. The reversal of 135039487 is 784930531.

135039487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135039487 - 2¹⁵ = 135006719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135039427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138148 + ... + 6138169.

It is an arithmetic number, because the mean of its divisors is an integer number (36828954).

Almost surely, 2^135039487 is an apocalyptic number.

135039487 is a deficient number, since it is larger than the sum of its proper divisors (12276329).

135039487 is a wasteful number, since it uses less digits than its factorization.

135039487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276328.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 135039487 is about 11620.6491643109. The cubic root of 135039487 is about 513.0427952904.

The spelling of 135039487 in words is "one hundred thirty-five million, thirty-nine thousand, four hundred eighty-seven".