134512364261 has 32 divisors (see below), whose sum is σ = 157625740800. Its totient is φ = 113483522880.

The previous prime is 134512364251. The next prime is 134512364267. The reversal of 134512364261 is 162463215431.

It is a cyclic number.

It is not a de Polignac number, because 134512364261 - 2³⁰ = 133438622437 is a prime.

It is a super-2 number, since 2×134512364261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134512364267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7290530 + ... + 7308956.

It is an arithmetic number, because the mean of its divisors is an integer number (4925804400).

Almost surely, 2^134512364261 is an apocalyptic number.

134512364261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134512364261 is a deficient number, since it is larger than the sum of its proper divisors (23113376539).

134512364261 is a wasteful number, since it uses less digits than its factorization.

134512364261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19169.

The product of its digits is 103680, while the sum is 38.

Adding to 134512364261 its reverse (162463215431), we get a palindrome (296975579692).

The spelling of 134512364261 in words is "one hundred thirty-four billion, five hundred twelve million, three hundred sixty-four thousand, two hundred sixty-one".