126013520435 has 16 divisors (see below), whose sum is σ = 165817899360. Its totient is φ = 91171338240.

The previous prime is 126013520419. The next prime is 126013520449. The reversal of 126013520435 is 534025310621.

It is a happy number.

It is not a de Polignac number, because 126013520435 - 2⁴ = 126013520419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5925020 + ... + 5946249.

It is an arithmetic number, because the mean of its divisors is an integer number (10363618710).

Almost surely, 2^126013520435 is an apocalyptic number.

126013520435 is a deficient number, since it is larger than the sum of its proper divisors (39804378925).

126013520435 is a wasteful number, since it uses less digits than its factorization.

126013520435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871478.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 126013520435 in words is "one hundred twenty-six billion, thirteen million, five hundred twenty thousand, four hundred thirty-five".