134021242100 has 18 divisors (see below), whose sum is σ = 290826095574. Its totient is φ = 53608496800.

The previous prime is 134021242081. The next prime is 134021242129. The reversal of 134021242100 is 1242120431.

It can be written as a sum of positive squares in 3 ways, for example, as 43746232336 + 90275009764 = 209156^2 + 300458^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 670106111 + ... + 670106310.

Almost surely, 2^134021242100 is an apocalyptic number.

134021242100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134021242100 is an abundant number, since it is smaller than the sum of its proper divisors (156804853474).

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

134021242100 is a wasteful number, since it uses less digits than its factorization.

134021242100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340212435 (or 1340212428 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 134021242100 its reverse (1242120431), we get a palindrome (135263362531).

The spelling of 134021242100 in words is "one hundred thirty-four billion, twenty-one million, two hundred forty-two thousand, one hundred".