126351393 has 16 divisors (see below), whose sum is σ = 195175296. Its totient is φ = 71210880.

The previous prime is 126351389. The next prime is 126351403. The reversal of 126351393 is 393153621.

It is not a de Polignac number, because 126351393 - 2² = 126351389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126351353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39678 + ... + 42743.

It is an arithmetic number, because the mean of its divisors is an integer number (12198456).

Almost surely, 2^126351393 is an apocalyptic number.

It is an amenable number.

126351393 is a deficient number, since it is larger than the sum of its proper divisors (68823903).

126351393 is an equidigital number, since it uses as much as digits as its factorization.

126351393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82504.

The product of its digits is 14580, while the sum is 33.

The square root of 126351393 is about 11240.6135508699. The cubic root of 126351393 is about 501.7954026752.

It can be divided in two parts, 12635 and 1393, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 126351393 in words is "one hundred twenty-six million, three hundred fifty-one thousand, three hundred ninety-three".