134102123442 has 96 divisors (see below), whose sum is σ = 339165066240. Its totient is φ = 37503133920.

The previous prime is 134102123429. The next prime is 134102123447. The reversal of 134102123442 is 244321201431.

134102123442 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 0 + 212 + 3 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (134102123447) 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, 1189573 + ... + 1297415.

It is an arithmetic number, because the mean of its divisors is an integer number (3532969440).

Almost surely, 2^134102123442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134102123442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169582533120).

134102123442 is an abundant number, since it is smaller than the sum of its proper divisors (205062942798).

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

134102123442 is a wasteful number, since it uses less digits than its factorization.

134102123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108068 (or 108065 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 134102123442 its reverse (244321201431), we get a palindrome (378423324873).

The spelling of 134102123442 in words is "one hundred thirty-four billion, one hundred two million, one hundred twenty-three thousand, four hundred forty-two".