135487475 has 6 divisors (see below), whose sum is σ = 168004500. Its totient is φ = 108389960.

The previous prime is 135487409. The next prime is 135487477. The reversal of 135487475 is 574784531.

It is a de Polignac number, because none of the positive numbers 2^k-135487475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135487477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2709725 + ... + 2709774.

It is an arithmetic number, because the mean of its divisors is an integer number (28000750).

Almost surely, 2^135487475 is an apocalyptic number.

135487475 is a deficient number, since it is larger than the sum of its proper divisors (32517025).

135487475 is an equidigital number, since it uses as much as digits as its factorization.

135487475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419509 (or 5419504 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 135487475 is about 11639.9087195734. The cubic root of 135487475 is about 513.6095019378.

The spelling of 135487475 in words is "one hundred thirty-five million, four hundred eighty-seven thousand, four hundred seventy-five".