135051197 has 2 divisors, whose sum is σ = 135051198. Its totient is φ = 135051196.

The previous prime is 135051157. The next prime is 135051223. The reversal of 135051197 is 791150531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 55145476 = 8939^2 + 7426^2 .

It is a cyclic number.

It is not a de Polignac number, because 135051197 - 2²⁰ = 134002621 is a prime.

It is a super-2 number, since 2×135051197² = 36477651622265618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135051157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67525598 + 67525599.

It is an arithmetic number, because the mean of its divisors is an integer number (67525599).

Almost surely, 2^135051197 is an apocalyptic number.

It is an amenable number.

135051197 is a deficient number, since it is larger than the sum of its proper divisors (1).

135051197 is an equidigital number, since it uses as much as digits as its factorization.

135051197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 135051197 is about 11621.1529978742. The cubic root of 135051197 is about 513.0576244282.

The spelling of 135051197 in words is "one hundred thirty-five million, fifty-one thousand, one hundred ninety-seven".