134261205015 has 32 divisors (see below), whose sum is σ = 251215658496. Its totient is φ = 59949187200.

The previous prime is 134261204989. The next prime is 134261205059. The reversal of 134261205015 is 510502162431.

It is not a de Polignac number, because 134261205015 - 2⁷ = 134261204887 is a prime.

It is a super-2 number, since 2×134261205015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14863836 + ... + 14872865.

It is an arithmetic number, because the mean of its divisors is an integer number (7850489328).

Almost surely, 2^134261205015 is an apocalyptic number.

134261205015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134261205015 is a deficient number, since it is larger than the sum of its proper divisors (116954453481).

134261205015 is a wasteful number, since it uses less digits than its factorization.

134261205015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29736759.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 134261205015 its reverse (510502162431), we get a palindrome (644763367446).

The spelling of 134261205015 in words is "one hundred thirty-four billion, two hundred sixty-one million, two hundred five thousand, fifteen".