135517201 has 2 divisors, whose sum is σ = 135517202. Its totient is φ = 135517200.

The previous prime is 135517189. The next prime is 135517211. The reversal of 135517201 is 102715531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 57017601 = 8860^2 + 7551^2 .

It is a cyclic number.

It is not a de Polignac number, because 135517201 - 2¹³ = 135509009 is a prime.

It is not a weakly prime, because it can be changed into another prime (135517211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67758600 + 67758601.

It is an arithmetic number, because the mean of its divisors is an integer number (67758601).

Almost surely, 2^135517201 is an apocalyptic number.

It is an amenable number.

135517201 is a deficient number, since it is larger than the sum of its proper divisors (1).

135517201 is an equidigital number, since it uses as much as digits as its factorization.

135517201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 135517201 is about 11641.1855495907. The cubic root of 135517201 is about 513.6470612267.

The spelling of 135517201 in words is "one hundred thirty-five million, five hundred seventeen thousand, two hundred one".