126936138 has 16 divisors (see below), whose sum is σ = 290139840. Its totient is φ = 36267456.

The previous prime is 126936137. The next prime is 126936167. The reversal of 126936138 is 831639621.

It is a super-2 number, since 2×126936138² = 32225566260710088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126936096 and 126936105.

It is not an unprimeable number, because it can be changed into a prime (126936137) 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, 1511103 + ... + 1511186.

It is an arithmetic number, because the mean of its divisors is an integer number (18133740).

Almost surely, 2^126936138 is an apocalyptic number.

126936138 is an abundant number, since it is smaller than the sum of its proper divisors (163203702).

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

126936138 is a wasteful number, since it uses less digits than its factorization.

126936138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022301.

The product of its digits is 46656, while the sum is 39.

The square root of 126936138 is about 11266.5938952285. The cubic root of 126936138 is about 502.5683023910.

The spelling of 126936138 in words is "one hundred twenty-six million, nine hundred thirty-six thousand, one hundred thirty-eight".