126400240413 has 12 divisors (see below), whose sum is σ = 187031250588. Its totient is φ = 82211538240.

The previous prime is 126400240411. The next prime is 126400240433. The reversal of 126400240413 is 314042004621.

It is a happy number.

126400240413 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 0 + 0 + 240 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1835008569 + 124565231844 = 42837^2 + 352938^2 .

It is not a de Polignac number, because 126400240413 - 2¹ = 126400240411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126400240411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171273670 + ... + 171274407.

It is an arithmetic number, because the mean of its divisors is an integer number (15585937549).

Almost surely, 2^126400240413 is an apocalyptic number.

It is an amenable number.

126400240413 is a deficient number, since it is larger than the sum of its proper divisors (60631010175).

126400240413 is a wasteful number, since it uses less digits than its factorization.

126400240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342548124 (or 342548121 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 126400240413 in words is "one hundred twenty-six billion, four hundred million, two hundred forty thousand, four hundred thirteen".