134243100 has 54 divisors (see below), whose sum is σ = 420780360. Its totient is φ = 35797920.

The previous prime is 134243071. The next prime is 134243129. The reversal of 134243100 is 1342431.

It is an interprime number because it is at equal distance from previous prime (134243071) and next prime (134243129).

It is a super-2 number, since 2×134243100² = 36042419795220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73680 + ... + 75479.

Almost surely, 2^134243100 is an apocalyptic number.

134243100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243100 is an abundant number, since it is smaller than the sum of its proper divisors (286537260).

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

134243100 is a wasteful number, since it uses less digits than its factorization.

134243100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149179 (or 149169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134243100 is about 11586.3324654526. The cubic root of 134243100 is about 512.0322601336.

Adding to 134243100 its reverse (1342431), we get a palindrome (135585531).

Multiplying 134243100 by its reverse (1342431), we get a square (180212098976100 = 13424310²).

134243100 divided by its reverse (1342431) gives a square (100 = 10²).

The spelling of 134243100 in words is "one hundred thirty-four million, two hundred forty-three thousand, one hundred".