134221501 has 2 divisors, whose sum is σ = 134221502. Its totient is φ = 134221500.

The previous prime is 134221489. The next prime is 134221603. The reversal of 134221501 is 105122431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85932900 + 48288601 = 9270^2 + 6949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134221501 is a prime.

It is a super-2 number, since 2×134221501² = 36030822661386002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134225501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67110750 + 67110751.

It is an arithmetic number, because the mean of its divisors is an integer number (67110751).

Almost surely, 2^134221501 is an apocalyptic number.

It is an amenable number.

134221501 is a deficient number, since it is larger than the sum of its proper divisors (1).

134221501 is an equidigital number, since it uses as much as digits as its factorization.

134221501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 134221501 is about 11585.4003383569. The cubic root of 134221501 is about 512.0047975726.

Adding to 134221501 its reverse (105122431), we get a palindrome (239343932).

The spelling of 134221501 in words is "one hundred thirty-four million, two hundred twenty-one thousand, five hundred one".