134121029 has 4 divisors (see below), whose sum is σ = 153281184. Its totient is φ = 114960876.

The previous prime is 134121011. The next prime is 134121061. The reversal of 134121029 is 920121431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134121029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134120995 and 134121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134121089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9580067 + ... + 9580080.

It is an arithmetic number, because the mean of its divisors is an integer number (38320296).

Almost surely, 2^134121029 is an apocalyptic number.

It is an amenable number.

134121029 is a deficient number, since it is larger than the sum of its proper divisors (19160155).

134121029 is an equidigital number, since it uses as much as digits as its factorization.

134121029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19160154.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 134121029 is about 11581.0633795002. The cubic root of 134121029 is about 511.8770113220.

It can be divided in two parts, 13412 and 1029, that added together give a palindrome (14441).

The spelling of 134121029 in words is "one hundred thirty-four million, one hundred twenty-one thousand, twenty-nine".