126213403135 has 8 divisors (see below), whose sum is σ = 156678707520. Its totient is φ = 97488973344.

The previous prime is 126213403117. The next prime is 126213403153. The reversal of 126213403135 is 531304312621.

It is an interprime number because it is at equal distance from previous prime (126213403117) and next prime (126213403153).

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

It is a de Polignac number, because none of the positive numbers 2^k-126213403135 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126213403097 and 126213403106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435218487 + ... + 435218776.

It is an arithmetic number, because the mean of its divisors is an integer number (19584838440).

Almost surely, 2^126213403135 is an apocalyptic number.

126213403135 is a deficient number, since it is larger than the sum of its proper divisors (30465304385).

126213403135 is an equidigital number, since it uses as much as digits as its factorization.

126213403135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870437297.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 126213403135 its reverse (531304312621), we get a palindrome (657517715756).

The spelling of 126213403135 in words is "one hundred twenty-six billion, two hundred thirteen million, four hundred three thousand, one hundred thirty-five".