126165257140 has 48 divisors (see below), whose sum is σ = 285780136320. Its totient is φ = 46510208640.

The previous prime is 126165257123. The next prime is 126165257143. The reversal of 126165257140 is 41752561621.

It is a junction number, because it is equal to n+sod(n) for n = 126165257093 and 126165257102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126165257143) 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, 220450 + ... + 548569.

It is an arithmetic number, because the mean of its divisors is an integer number (5953752840).

Almost surely, 2^126165257140 is an apocalyptic number.

126165257140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126165257140 is an abundant number, since it is smaller than the sum of its proper divisors (159614879180).

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

126165257140 is a wasteful number, since it uses less digits than its factorization.

126165257140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769672 (or 769670 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 126165257140 in words is "one hundred twenty-six billion, one hundred sixty-five million, two hundred fifty-seven thousand, one hundred forty".