134350376903521 has 9 divisors (see below), whose sum is σ = 134721717350961. Its totient is φ = 133980057290532.

The previous prime is 134350376903513. The next prime is 134350376903579. The reversal of 134350376903521 is 125309673053431.

The square root of 134350376903521 is 11590961.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 134350376903521 - 2³ = 134350376903513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134350776903521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4253866896 + ... + 4253898478.

Almost surely, 2^{134350376903521} is an apocalyptic number.

134350376903521 is the 11590961-st square number.

134350376903521 is the 5795481-st centered octagonal number.

It is an amenable number.

134350376903521 is a deficient number, since it is larger than the sum of its proper divisors (371340447440).

134350376903521 is an frugal number, since it uses more digits than its factorization.

134350376903521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63900 (or 31950 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 52.

The spelling of 134350376903521 in words is "one hundred thirty-four trillion, three hundred fifty billion, three hundred seventy-six million, nine hundred three thousand, five hundred twenty-one".