126402428537 has 64 divisors (see below), whose sum is σ = 163377561600. Its totient is φ = 94957980480.

The previous prime is 126402428533. The next prime is 126402428563. The reversal of 126402428537 is 735824204621.

It is not a de Polignac number, because 126402428537 - 2² = 126402428533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126402428533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80051414 + ... + 80052992.

It is an arithmetic number, because the mean of its divisors is an integer number (2552774400).

Almost surely, 2^126402428537 is an apocalyptic number.

It is an amenable number.

126402428537 is a deficient number, since it is larger than the sum of its proper divisors (36975133063).

126402428537 is a wasteful number, since it uses less digits than its factorization.

126402428537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 126402428537 in words is "one hundred twenty-six billion, four hundred two million, four hundred twenty-eight thousand, five hundred thirty-seven".