300135152261 has 48 divisors (see below), whose sum is σ = 370741406400. Its totient is φ = 241888485888.

The previous prime is 300135152173. The next prime is 300135152293. The reversal of 300135152261 is 162251531003.

It is not a de Polignac number, because 300135152261 - 2¹⁴ = 300135135877 is a prime.

It is a super-2 number, since 2×300135152261² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300135152861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8954045 + ... + 8987501.

It is an arithmetic number, because the mean of its divisors is an integer number (7723779300).

Almost surely, 2^300135152261 is an apocalyptic number.

It is an amenable number.

300135152261 is a deficient number, since it is larger than the sum of its proper divisors (70606254139).

300135152261 is a wasteful number, since it uses less digits than its factorization.

300135152261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666 (or 33659 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 300135152261 its reverse (162251531003), we get a palindrome (462386683264).

The spelling of 300135152261 in words is "three hundred billion, one hundred thirty-five million, one hundred fifty-two thousand, two hundred sixty-one".