545212134 has 40 divisors (see below), whose sum is σ = 1293549048. Its totient is φ = 171046080.

The previous prime is 545212127. The next prime is 545212139. The reversal of 545212134 is 431212545.

545212134 is a `hidden beast` number, since 5 + 4 + 521 + 2 + 134 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 545212098 and 545212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545212139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96232 + ... + 101739.

Almost surely, 2^545212134 is an apocalyptic number.

545212134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

545212134 is an abundant number, since it is smaller than the sum of its proper divisors (748336914).

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

545212134 is a wasteful number, since it uses less digits than its factorization.

545212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198002 (or 197993 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 545212134 is about 23349.7780289235. The cubic root of 545212134 is about 816.9368834723.

Adding to 545212134 its reverse (431212545), we get a palindrome (976424679).

The spelling of 545212134 in words is "five hundred forty-five million, two hundred twelve thousand, one hundred thirty-four".