1331154460 has 48 divisors (see below), whose sum is σ = 2851873920. Its totient is φ = 521768000.

The previous prime is 1331154457. The next prime is 1331154467. The reversal of 1331154460 is 644511331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331154467) 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, 407835 + ... + 411085.

It is an arithmetic number, because the mean of its divisors is an integer number (59414040).

Almost surely, 2^1331154460 is an apocalyptic number.

1331154460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331154460 is an abundant number, since it is smaller than the sum of its proper divisors (1520719460).

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

1331154460 is a wasteful number, since it uses less digits than its factorization.

1331154460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1331154460 is about 36484.9895162380. The cubic root of 1331154460 is about 1100.0425493183.

Adding to 1331154460 its reverse (644511331), we get a palindrome (1975665791).

The spelling of 1331154460 in words is "one billion, three hundred thirty-one million, one hundred fifty-four thousand, four hundred sixty".