1331914687 has 8 divisors (see below), whose sum is σ = 1425000560. Its totient is φ = 1241127360.

The previous prime is 1331914673. The next prime is 1331914693. The reversal of 1331914687 is 7864191331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331914687 - 2¹⁵ = 1331881919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331914607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573438 + ... + 575755.

It is an arithmetic number, because the mean of its divisors is an integer number (178125070).

Almost surely, 2^1331914687 is an apocalyptic number.

1331914687 is a deficient number, since it is larger than the sum of its proper divisors (93085873).

1331914687 is a wasteful number, since it uses less digits than its factorization.

1331914687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149273.

The product of its digits is 108864, while the sum is 43.

The square root of 1331914687 is about 36495.4063821736. The cubic root of 1331914687 is about 1100.2519221901.

The spelling of 1331914687 in words is "one billion, three hundred thirty-one million, nine hundred fourteen thousand, six hundred eighty-seven".