134498961081 has 105 divisors (see below), whose sum is σ = 218915261641. Its totient is φ = 82595941056.

The previous prime is 134498961073. The next prime is 134498961101. The reversal of 134498961081 is 180169894431.

The square root of 134498961081 is 366741.

It is a perfect power (a square), and thus also a powerful number.

134498961081 is a `hidden beast` number, since 1 + 3 + 449 + 8 + 96 + 108 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41742167481 + 92756793600 = 204309^2 + 304560^2 .

It is not a de Polignac number, because 134498961081 - 2³ = 134498961073 is a prime.

It is a super-2 number, since 2×134498961081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134498961011) by changing a digit.

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 104 ways as a sum of consecutive naturals, for example, 2861680000 + ... + 2861680046.

Almost surely, 2^134498961081 is an apocalyptic number.

134498961081 is the 366741-st square number.

134498961081 is the 183371-st centered octagonal number.

It is an amenable number.

134498961081 is a deficient number, since it is larger than the sum of its proper divisors (84416300560).

134498961081 is an frugal number, since it uses more digits than its factorization.

134498961081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 134498961081 in words is "one hundred thirty-four billion, four hundred ninety-eight million, nine hundred sixty-one thousand, eighty-one".