135411887 has 8 divisors (see below), whose sum is σ = 148219680. Its totient is φ = 122945760.

The previous prime is 135411877. The next prime is 135411907. The reversal of 135411887 is 788114531.

It is a happy number.

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 135411887 - 2²⁴ = 118634671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135411887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135411847) 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, 84587 + ... + 86172.

It is an arithmetic number, because the mean of its divisors is an integer number (18527460).

Almost surely, 2^135411887 is an apocalyptic number.

135411887 is a deficient number, since it is larger than the sum of its proper divisors (12807793).

135411887 is a wasteful number, since it uses less digits than its factorization.

135411887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170833.

The product of its digits is 26880, while the sum is 38.

The square root of 135411887 is about 11636.6613339050. The cubic root of 135411887 is about 513.5139705072.

The spelling of 135411887 in words is "one hundred thirty-five million, four hundred eleven thousand, eight hundred eighty-seven".