67134157461 has 48 divisors (see below), whose sum is σ = 111542745600. Its totient is φ = 38114194464.

The previous prime is 67134157457. The next prime is 67134157477. The reversal of 67134157461 is 16475143176.

It is a happy number.

67134157461 is a `hidden beast` number, since 6 + 7 + 1 + 34 + 157 + 461 = 666.

67134157461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67134157461 - 2² = 67134157457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67134157421) 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, 18345850 + ... + 18349508.

It is an arithmetic number, because the mean of its divisors is an integer number (2323807200).

Almost surely, 2^67134157461 is an apocalyptic number.

It is an amenable number.

67134157461 is a deficient number, since it is larger than the sum of its proper divisors (44408588139).

67134157461 is a wasteful number, since it uses less digits than its factorization.

67134157461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478 (or 5475 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 67134157461 in words is "sixty-seven billion, one hundred thirty-four million, one hundred fifty-seven thousand, four hundred sixty-one".