134545398 has 32 divisors (see below), whose sum is σ = 292621056. Its totient is φ = 40994208.

The previous prime is 134545391. The next prime is 134545399. The reversal of 134545398 is 893545431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134545391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340 + ... + 16407.

It is an arithmetic number, because the mean of its divisors is an integer number (9144408).

Almost surely, 2^134545398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134545398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146310528).

134545398 is an abundant number, since it is smaller than the sum of its proper divisors (158075658).

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

134545398 is a wasteful number, since it uses less digits than its factorization.

134545398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868.

The product of its digits is 259200, while the sum is 42.

The square root of 134545398 is about 11599.3705863723. The cubic root of 134545398 is about 512.4163153466.

The spelling of 134545398 in words is "one hundred thirty-four million, five hundred forty-five thousand, three hundred ninety-eight".