134231245537 has 4 divisors (see below), whose sum is σ = 137859117076. Its totient is φ = 130603374000.

The previous prime is 134231245529. The next prime is 134231245559. The reversal of 134231245537 is 735542132431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735542132431 = 474709 ⋅1549459.

It can be written as a sum of positive squares in 2 ways, for example, as 125219730496 + 9011515041 = 353864^2 + 94929^2 .

It is a cyclic number.

It is not a de Polignac number, because 134231245537 - 2³ = 134231245529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134231245537.

It is not an unprimeable number, because it can be changed into a prime (134231245037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813935714 + ... + 1813935787.

It is an arithmetic number, because the mean of its divisors is an integer number (34464779269).

Almost surely, 2^134231245537 is an apocalyptic number.

It is an amenable number.

134231245537 is a deficient number, since it is larger than the sum of its proper divisors (3627871539).

134231245537 is an equidigital number, since it uses as much as digits as its factorization.

134231245537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627871538.

The product of its digits is 302400, while the sum is 40.

Adding to 134231245537 its reverse (735542132431), we get a palindrome (869773377968).

The spelling of 134231245537 in words is "one hundred thirty-four billion, two hundred thirty-one million, two hundred forty-five thousand, five hundred thirty-seven".