1331454740 has 48 divisors (see below), whose sum is σ = 3485994624. Its totient is φ = 414998400.

The previous prime is 1331454701. The next prime is 1331454779. The reversal of 1331454740 is 474541331.

It is an interprime number because it is at equal distance from previous prime (1331454701) and next prime (1331454779).

It is a junction number, because it is equal to n+sod(n) for n = 1331454697 and 1331454706.

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, 430751 + ... + 433830.

It is an arithmetic number, because the mean of its divisors is an integer number (72624888).

Almost surely, 2^1331454740 is an apocalyptic number.

1331454740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331454740 is an abundant number, since it is smaller than the sum of its proper divisors (2154539884).

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

1331454740 is a wasteful number, since it uses less digits than its factorization.

1331454740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864608 (or 864606 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1331454740 is about 36489.1044011771. The cubic root of 1331454740 is about 1100.1252584634.

The spelling of 1331454740 in words is "one billion, three hundred thirty-one million, four hundred fifty-four thousand, seven hundred forty".