134102321 has 2 divisors, whose sum is σ = 134102322. Its totient is φ = 134102320.

The previous prime is 134102317. The next prime is 134102347. The reversal of 134102321 is 123201431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 1852321 = 11500^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 134102321 - 2² = 134102317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134102321.

It is not a weakly prime, because it can be changed into another prime (134102921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67051160 + 67051161.

It is an arithmetic number, because the mean of its divisors is an integer number (67051161).

Almost surely, 2^134102321 is an apocalyptic number.

It is an amenable number.

134102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

134102321 is an equidigital number, since it uses as much as digits as its factorization.

134102321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 134102321 is about 11580.2556534819. The cubic root of 134102321 is about 511.8532103305.

Adding to 134102321 its reverse (123201431), we get a palindrome (257303752).

The spelling of 134102321 in words is "one hundred thirty-four million, one hundred two thousand, three hundred twenty-one".