126361877140 has 48 divisors (see below), whose sum is σ = 265829324544. Its totient is φ = 50455440000.

The previous prime is 126361877113. The next prime is 126361877143. The reversal of 126361877140 is 41778163621.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126361877143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49416742 + ... + 49419298.

It is an arithmetic number, because the mean of its divisors is an integer number (5538110928).

Almost surely, 2^126361877140 is an apocalyptic number.

126361877140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126361877140 is an abundant number, since it is smaller than the sum of its proper divisors (139467447404).

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

126361877140 is a wasteful number, since it uses less digits than its factorization.

126361877140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 126361877140 in words is "one hundred twenty-six billion, three hundred sixty-one million, eight hundred seventy-seven thousand, one hundred forty".