1331353674 has 96 divisors (see below), whose sum is σ = 3674436480. Its totient is φ = 339158016.

The previous prime is 1331353651. The next prime is 1331353733. The reversal of 1331353674 is 4763531331.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24342 + ... + 57054.

It is an arithmetic number, because the mean of its divisors is an integer number (38275380).

Almost surely, 2^1331353674 is an apocalyptic number.

1331353674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331353674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837218240).

1331353674 is an abundant number, since it is smaller than the sum of its proper divisors (2343082806).

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

1331353674 is a wasteful number, since it uses less digits than its factorization.

1331353674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32764 (or 32761 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 1331353674 is about 36487.7194957427. The cubic root of 1331353674 is about 1100.0974222255.

The spelling of 1331353674 in words is "one billion, three hundred thirty-one million, three hundred fifty-three thousand, six hundred seventy-four".