126135374 has 4 divisors (see below), whose sum is σ = 189203064. Its totient is φ = 63067686.

The previous prime is 126135371. The next prime is 126135377. The reversal of 126135374 is 473531621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (126135371) and next prime (126135377).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126135374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126135371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31533842 + ... + 31533845.

It is an arithmetic number, because the mean of its divisors is an integer number (47300766).

Almost surely, 2^126135374 is an apocalyptic number.

126135374 is a deficient number, since it is larger than the sum of its proper divisors (63067690).

126135374 is an equidigital number, since it uses as much as digits as its factorization.

126135374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63067689.

The product of its digits is 15120, while the sum is 32.

The square root of 126135374 is about 11231.0005787552. Note that the first 3 decimals coincide. The cubic root of 126135374 is about 501.5092716144.

Adding to 126135374 its reverse (473531621), we get a palindrome (599666995).

The spelling of 126135374 in words is "one hundred twenty-six million, one hundred thirty-five thousand, three hundred seventy-four".