134123512 has 8 divisors (see below), whose sum is σ = 251481600. Its totient is φ = 67061752.

The previous prime is 134123501. The next prime is 134123513. The reversal of 134123512 is 215321431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134123513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382712 + ... + 8382727.

It is an arithmetic number, because the mean of its divisors is an integer number (31435200).

Almost surely, 2^134123512 is an apocalyptic number.

It is an amenable number.

134123512 is a deficient number, since it is larger than the sum of its proper divisors (117358088).

134123512 is a wasteful number, since it uses less digits than its factorization.

134123512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765445 (or 16765441 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 134123512 is about 11581.1705798680. The cubic root of 134123512 is about 511.8801701177.

Adding to 134123512 its reverse (215321431), we get a palindrome (349444943).

The spelling of 134123512 in words is "one hundred thirty-four million, one hundred twenty-three thousand, five hundred twelve".