126140613616 has 40 divisors (see below), whose sum is σ = 257321070080. Its totient is φ = 59736740544.

The previous prime is 126140613611. The next prime is 126140613617. The reversal of 126140613616 is 616316041621.

It is a super-2 number, since 2×126140613616² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126140613611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305235 + ... + 1398541.

It is an arithmetic number, because the mean of its divisors is an integer number (6433026752).

Almost surely, 2^126140613616 is an apocalyptic number.

126140613616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126140613616 is an abundant number, since it is smaller than the sum of its proper divisors (131180456464).

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

126140613616 is a wasteful number, since it uses less digits than its factorization.

126140613616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97781 (or 97775 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 126140613616 in words is "one hundred twenty-six billion, one hundred forty million, six hundred thirteen thousand, six hundred sixteen".