134207251661161 has 24 divisors (see below), whose sum is σ = 156382413796224. Its totient is φ = 114840576658080.

The previous prime is 134207251661113. The next prime is 134207251661179. The reversal of 134207251661161 is 161166152702431.

It is not a de Polignac number, because 134207251661161 - 2¹⁵ = 134207251628393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134207251661101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74685906 + ... + 76461748.

It is an arithmetic number, because the mean of its divisors is an integer number (6515933908176).

Almost surely, 2^{134207251661161} is an apocalyptic number.

It is an amenable number.

134207251661161 is a deficient number, since it is larger than the sum of its proper divisors (22175162135063).

134207251661161 is a wasteful number, since it uses less digits than its factorization.

134207251661161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778461 (or 1778454 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 134207251661161 in words is "one hundred thirty-four trillion, two hundred seven billion, two hundred fifty-one million, six hundred sixty-one thousand, one hundred sixty-one".