135955955449 has 2 divisors, whose sum is σ = 135955955450. Its totient is φ = 135955955448.

The previous prime is 135955955417. The next prime is 135955955459. The reversal of 135955955449 is 944559559531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133279755625 + 2676199824 = 365075^2 + 51732^2 .

It is a cyclic number.

It is not a de Polignac number, because 135955955449 - 2⁵ = 135955955417 is a prime.

It is not a weakly prime, because it can be changed into another prime (135955955459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67977977724 + 67977977725.

It is an arithmetic number, because the mean of its divisors is an integer number (67977977725).

Almost surely, 2^135955955449 is an apocalyptic number.

It is an amenable number.

135955955449 is a deficient number, since it is larger than the sum of its proper divisors (1).

135955955449 is an equidigital number, since it uses as much as digits as its factorization.

135955955449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350000, while the sum is 64.

The spelling of 135955955449 in words is "one hundred thirty-five billion, nine hundred fifty-five million, nine hundred fifty-five thousand, four hundred forty-nine".