135845475 has 48 divisors (see below), whose sum is σ = 238389504. Its totient is φ = 68112000.

The previous prime is 135845473. The next prime is 135845491. The reversal of 135845475 is 574548531.

It is a happy number.

It is not a de Polignac number, because 135845475 - 2¹ = 135845473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135845473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104580 + ... + 105870.

It is an arithmetic number, because the mean of its divisors is an integer number (4966448).

Almost surely, 2^135845475 is an apocalyptic number.

135845475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135845475 is a deficient number, since it is larger than the sum of its proper divisors (102544029).

135845475 is a wasteful number, since it uses less digits than its factorization.

135845475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1383 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 135845475 is about 11655.2767019921. The cubic root of 135845475 is about 514.0614760406.

The spelling of 135845475 in words is "one hundred thirty-five million, eight hundred forty-five thousand, four hundred seventy-five".