1331426246 has 8 divisors (see below), whose sum is σ = 2039631840. Its totient is φ = 651548968.

The previous prime is 1331426233. The next prime is 1331426249. The reversal of 1331426246 is 6426241331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331426249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081961 + ... + 7082148.

It is an arithmetic number, because the mean of its divisors is an integer number (254953980).

Almost surely, 2^1331426246 is an apocalyptic number.

1331426246 is a deficient number, since it is larger than the sum of its proper divisors (708205594).

1331426246 is a wasteful number, since it uses less digits than its factorization.

1331426246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14164158.

The product of its digits is 20736, while the sum is 32.

The square root of 1331426246 is about 36488.7139537693. The cubic root of 1331426246 is about 1100.1174106080.

Adding to 1331426246 its reverse (6426241331), we get a palindrome (7757667577).

The spelling of 1331426246 in words is "one billion, three hundred thirty-one million, four hundred twenty-six thousand, two hundred forty-six".