134542100 has 144 divisors (see below), whose sum is σ = 369726336. Its totient is φ = 41280000.

The previous prime is 134542081. The next prime is 134542103. The reversal of 134542100 is 1245431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134542103) 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, 777614 + ... + 777786.

It is an arithmetic number, because the mean of its divisors is an integer number (2567544).

Almost surely, 2^134542100 is an apocalyptic number.

134542100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134542100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184863168).

134542100 is an abundant number, since it is smaller than the sum of its proper divisors (235184236).

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

134542100 is a wasteful number, since it uses less digits than its factorization.

134542100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134542100 is about 11599.2284226150. The cubic root of 134542100 is about 512.4121285001.

Adding to 134542100 its reverse (1245431), we get a palindrome (135787531).

The spelling of 134542100 in words is "one hundred thirty-four million, five hundred forty-two thousand, one hundred".