134377407523543 has 4 divisors (see below), whose sum is σ = 134380163636200. Its totient is φ = 134374651410888.

The previous prime is 134377407523507. The next prime is 134377407523577. The reversal of 134377407523543 is 345325704773431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134377407523543 - 2⁹ = 134377407523031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134377407533543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377983193 + ... + 1378080706.

It is an arithmetic number, because the mean of its divisors is an integer number (33595040909050).

Almost surely, 2^{134377407523543} is an apocalyptic number.

134377407523543 is a deficient number, since it is larger than the sum of its proper divisors (2756112657).

134377407523543 is an equidigital number, since it uses as much as digits as its factorization.

134377407523543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756112656.

The product of its (nonzero) digits is 88905600, while the sum is 58.

The spelling of 134377407523543 in words is "one hundred thirty-four trillion, three hundred seventy-seven billion, four hundred seven million, five hundred twenty-three thousand, five hundred forty-three".