126154944435 has 16 divisors (see below), whose sum is σ = 217374673824. Its totient is φ = 62107049472.

The previous prime is 126154944427. The next prime is 126154944437. The reversal of 126154944435 is 534449451621.

It is not a de Polignac number, because 126154944435 - 2³ = 126154944427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126154944437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323474022 + ... + 323474411.

It is an arithmetic number, because the mean of its divisors is an integer number (13585917114).

Almost surely, 2^126154944435 is an apocalyptic number.

126154944435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126154944435 is a deficient number, since it is larger than the sum of its proper divisors (91219729389).

126154944435 is a wasteful number, since it uses less digits than its factorization.

126154944435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646948454.

The product of its digits is 2073600, while the sum is 48.

The spelling of 126154944435 in words is "one hundred twenty-six billion, one hundred fifty-four million, nine hundred forty-four thousand, four hundred thirty-five".