126136603392 has 144 divisors (see below), whose sum is σ = 349505113440. Its totient is φ = 40335998976.

The previous prime is 126136603387. The next prime is 126136603433. The reversal of 126136603392 is 293306631621.

It is a happy number.

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, 3478668 + ... + 3514740.

Almost surely, 2^126136603392 is an apocalyptic number.

126136603392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126136603392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174752556720).

126136603392 is an abundant number, since it is smaller than the sum of its proper divisors (223368510048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126136603392 is a wasteful number, since it uses less digits than its factorization.

126136603392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36278 (or 36264 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 126136603392 in words is "one hundred twenty-six billion, one hundred thirty-six million, six hundred three thousand, three hundred ninety-two".