134994073503025 has 81 divisors (see below), whose sum is σ = 185352634568619. Its totient is φ = 97457613660000.

The previous prime is 134994073503013. The next prime is 134994073503101. The reversal of 134994073503025 is 520305370499431.

The square root of 134994073503025 is 11618695.

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

It can be written as a sum of positive squares in only one way, i.e., 48597866461089 + 86396207041936 = 6971217^2 + 9294956^2 .

It is not a de Polignac number, because 134994073503025 - 2²¹ = 134994071405873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 96493261276 + ... + 96493262674.

Almost surely, 2^{134994073503025} is an apocalyptic number.

134994073503025 is the 11618695-th square number.

134994073503025 is the 5809348-th centered octagonal number.

It is an amenable number.

134994073503025 is a deficient number, since it is larger than the sum of its proper divisors (50358561065594).

134994073503025 is an frugal number, since it uses more digits than its factorization.

134994073503025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 134994073503025 in words is "one hundred thirty-four trillion, nine hundred ninety-four billion, seventy-three million, five hundred three thousand, twenty-five".