126338158 has 4 divisors (see below), whose sum is σ = 189507240. Its totient is φ = 63169078.

The previous prime is 126338153. The next prime is 126338159. The reversal of 126338158 is 851833621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851833621 = 1733 ⋅491537.

It is a super-2 number, since 2×126338158² = 31922660333665928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126338153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31584538 + ... + 31584541.

It is an arithmetic number, because the mean of its divisors is an integer number (47376810).

Almost surely, 2^126338158 is an apocalyptic number.

126338158 is a deficient number, since it is larger than the sum of its proper divisors (63169082).

126338158 is an equidigital number, since it uses as much as digits as its factorization.

126338158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63169081.

The product of its digits is 34560, while the sum is 37.

The square root of 126338158 is about 11240.0248220366. The cubic root of 126338158 is about 501.7778814489. Note that the first 3 decimals are identical.

The spelling of 126338158 in words is "one hundred twenty-six million, three hundred thirty-eight thousand, one hundred fifty-eight".