134574123461 has 2 divisors, whose sum is σ = 134574123462. Its totient is φ = 134574123460.

The previous prime is 134574123451. The next prime is 134574123503. The reversal of 134574123461 is 164321475431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115947060100 + 18627063361 = 340510^2 + 136481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134574123461 is a prime.

It is a super-2 number, since 2×134574123461² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134574123421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67287061730 + 67287061731.

It is an arithmetic number, because the mean of its divisors is an integer number (67287061731).

Almost surely, 2^134574123461 is an apocalyptic number.

It is an amenable number.

134574123461 is a deficient number, since it is larger than the sum of its proper divisors (1).

134574123461 is an equidigital number, since it uses as much as digits as its factorization.

134574123461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

Adding to 134574123461 its reverse (164321475431), we get a palindrome (298895598892).

The spelling of 134574123461 in words is "one hundred thirty-four billion, five hundred seventy-four million, one hundred twenty-three thousand, four hundred sixty-one".