126875507390 has 32 divisors (see below), whose sum is σ = 229140134496. Its totient is φ = 50580478080.

The previous prime is 126875507389. The next prime is 126875507419. The reversal of 126875507390 is 93705578621.

It is a super-2 number, since 2×126875507390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18840464 + ... + 18847196.

It is an arithmetic number, because the mean of its divisors is an integer number (7160629203).

Almost surely, 2^126875507390 is an apocalyptic number.

126875507390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126875507390 is a deficient number, since it is larger than the sum of its proper divisors (102264627106).

126875507390 is a wasteful number, since it uses less digits than its factorization.

126875507390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 126875507390 in words is "one hundred twenty-six billion, eight hundred seventy-five million, five hundred seven thousand, three hundred ninety".