135397854 has 12 divisors (see below), whose sum is σ = 293362056. Its totient is φ = 45132612.

The previous prime is 135397813. The next prime is 135397859. The reversal of 135397854 is 458793531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135397859) 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, 3761034 + ... + 3761069.

It is an arithmetic number, because the mean of its divisors is an integer number (24446838).

Almost surely, 2^135397854 is an apocalyptic number.

135397854 is an abundant number, since it is smaller than the sum of its proper divisors (157964202).

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

135397854 is a wasteful number, since it uses less digits than its factorization.

135397854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522111 (or 7522108 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 135397854 is about 11636.0583532397. The cubic root of 135397854 is about 513.4962310737.

The spelling of 135397854 in words is "one hundred thirty-five million, three hundred ninety-seven thousand, eight hundred fifty-four".