135698406 has 16 divisors (see below), whose sum is σ = 271540848. Its totient is φ = 45208800.

The previous prime is 135698401. The next prime is 135698419. The reversal of 135698406 is 604896531.

135698406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135698401) 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, 9216 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (16971303).

Almost surely, 2^135698406 is an apocalyptic number.

135698406 is an abundant number, since it is smaller than the sum of its proper divisors (135842442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135698406 is a wasteful number, since it uses less digits than its factorization.

135698406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 135698406 is about 11648.9658768493. The cubic root of 135698406 is about 513.8758980115.

The spelling of 135698406 in words is "one hundred thirty-five million, six hundred ninety-eight thousand, four hundred six".