134401761 has 20 divisors (see below), whose sum is σ = 216218772. Its totient is φ = 82708128.

The previous prime is 134401759. The next prime is 134401769. The reversal of 134401761 is 167104431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59907600 + 74494161 = 7740^2 + 8631^2 .

It is not a de Polignac number, because 134401761 - 2¹ = 134401759 is a prime.

It is a super-2 number, since 2×134401761² = 36127666719802242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134401769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62766 + ... + 64871.

Almost surely, 2^134401761 is an apocalyptic number.

It is an amenable number.

134401761 is a deficient number, since it is larger than the sum of its proper divisors (81817011).

134401761 is a wasteful number, since it uses less digits than its factorization.

134401761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127662 (or 127653 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 134401761 is about 11593.1773470434. The cubic root of 134401761 is about 512.2339031875.

The spelling of 134401761 in words is "one hundred thirty-four million, four hundred one thousand, seven hundred sixty-one".