134103021 has 24 divisors (see below), whose sum is σ = 205018560. Its totient is φ = 77665536.

The previous prime is 134103001. The next prime is 134103029. The reversal of 134103021 is 120301431.

It is not a de Polignac number, because 134103021 - 2⁶ = 134102957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134103029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (8542440).

Almost surely, 2^134103021 is an apocalyptic number.

It is an amenable number.

134103021 is a deficient number, since it is larger than the sum of its proper divisors (70915539).

134103021 is a wasteful number, since it uses less digits than its factorization.

134103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15605 (or 15592 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 134103021 is about 11580.2858773003. The cubic root of 134103021 is about 511.8541009356.

Adding to 134103021 its reverse (120301431), we get a palindrome (254404452).

The spelling of 134103021 in words is "one hundred thirty-four million, one hundred three thousand, twenty-one".