135377487 has 64 divisors (see below), whose sum is σ = 239308800. Its totient is φ = 74952864.

The previous prime is 135377467. The next prime is 135377491. The reversal of 135377487 is 784773531.

135377487 is a `hidden beast` number, since 135 + 37 + 7 + 487 = 666.

It is not a de Polignac number, because 135377487 - 2²² = 131183183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135377467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 566314 + ... + 566552.

It is an arithmetic number, because the mean of its divisors is an integer number (3739200).

Almost surely, 2^135377487 is an apocalyptic number.

135377487 is a deficient number, since it is larger than the sum of its proper divisors (103931313).

135377487 is an frugal number, since it uses more digits than its factorization.

135377487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 286 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 135377487 is about 11635.1831528343. The cubic root of 135377487 is about 513.4704825066.

The spelling of 135377487 in words is "one hundred thirty-five million, three hundred seventy-seven thousand, four hundred eighty-seven".