135246405261 has 8 divisors (see below), whose sum is σ = 196722044064. Its totient is φ = 81967518320.

The previous prime is 135246405257. The next prime is 135246405319. The reversal of 135246405261 is 162504642531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135246405261 - 2² = 135246405257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135246405241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049187926 + ... + 2049187991.

It is an arithmetic number, because the mean of its divisors is an integer number (24590255508).

Almost surely, 2^135246405261 is an apocalyptic number.

135246405261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135246405261 is a deficient number, since it is larger than the sum of its proper divisors (61475638803).

135246405261 is a wasteful number, since it uses less digits than its factorization.

135246405261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098375931.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 135246405261 in words is "one hundred thirty-five billion, two hundred forty-six million, four hundred five thousand, two hundred sixty-one".