126087045390 has 128 divisors (see below), whose sum is σ = 348687642240. Its totient is φ = 32802900480.

The previous prime is 126087045361. The next prime is 126087045433. The reversal of 126087045390 is 93540780621.

126087045390 is a `hidden beast` number, since 1 + 2 + 608 + 7 + 0 + 4 + 5 + 39 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 826362 + ... + 966978.

It is an arithmetic number, because the mean of its divisors is an integer number (2724122205).

It is a 1-persistent number, because it is pandigital, but 2⋅126087045390 = 252174090780 is not.

Almost surely, 2^126087045390 is an apocalyptic number.

126087045390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126087045390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174343821120).

126087045390 is an abundant number, since it is smaller than the sum of its proper divisors (222600596850).

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

126087045390 is an equidigital number, since it uses as much as digits as its factorization.

126087045390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140686 (or 140668 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 126087045390 in words is "one hundred twenty-six billion, eighty-seven million, forty-five thousand, three hundred ninety".