135698475 has 72 divisors (see below), whose sum is σ = 259913920. Its totient is φ = 62251200.

The previous prime is 135698473. The next prime is 135698503. The reversal of 135698475 is 574896531.

It is not a de Polignac number, because 135698475 - 2¹ = 135698473 is a prime.

It is a super-2 number, since 2×135698475² = 36828152234651250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135698473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 172032 + ... + 172818.

Almost surely, 2^135698475 is an apocalyptic number.

135698475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135698475 is a deficient number, since it is larger than the sum of its proper divisors (124215445).

135698475 is a wasteful number, since it uses less digits than its factorization.

135698475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 825 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 135698475 is about 11648.9688384852. The cubic root of 135698475 is about 513.8759851101.

The spelling of 135698475 in words is "one hundred thirty-five million, six hundred ninety-eight thousand, four hundred seventy-five".