134376462134521 has 2 divisors, whose sum is σ = 134376462134522. Its totient is φ = 134376462134520.

The previous prime is 134376462134513. The next prime is 134376462134587. The reversal of 134376462134521 is 125431264673431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122042395398400 + 12334066736121 = 11047280^2 + 3511989^2 .

It is a cyclic number.

It is not a de Polignac number, because 134376462134521 - 2³ = 134376462134513 is a prime.

It is a super-2 number, since 2×134376462134521² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134376462134221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67188231067260 + 67188231067261.

It is an arithmetic number, because the mean of its divisors is an integer number (67188231067261).

Almost surely, 2^{134376462134521} is an apocalyptic number.

It is an amenable number.

134376462134521 is a deficient number, since it is larger than the sum of its proper divisors (1).

134376462134521 is an equidigital number, since it uses as much as digits as its factorization.

134376462134521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 52.

The spelling of 134376462134521 in words is "one hundred thirty-four trillion, three hundred seventy-six billion, four hundred sixty-two million, one hundred thirty-four thousand, five hundred twenty-one".