134540737217 has 8 divisors (see below), whose sum is σ = 138204870336. Its totient is φ = 130878072432.

The previous prime is 134540737193. The next prime is 134540737229. The reversal of 134540737217 is 712737045431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134540737217 - 2³⁴ = 117360868033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134540737117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180053 + ... + 549090.

It is an arithmetic number, because the mean of its divisors is an integer number (17275608792).

Almost surely, 2^134540737217 is an apocalyptic number.

It is an amenable number.

134540737217 is a deficient number, since it is larger than the sum of its proper divisors (3664133119).

134540737217 is an equidigital number, since it uses as much as digits as its factorization.

134540737217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734167.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 134540737217 in words is "one hundred thirty-four billion, five hundred forty million, seven hundred thirty-seven thousand, two hundred seventeen".