1373368987 has 8 divisors (see below), whose sum is σ = 1454479200. Its totient is φ = 1292294784.

The previous prime is 1373368973. The next prime is 1373368993. The reversal of 1373368987 is 7898633731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373368987 is a prime.

It is a super-2 number, since 2×1373368987² = 3772284748906812338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1373368907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142714 + ... + 152032.

It is an arithmetic number, because the mean of its divisors is an integer number (181809900).

Almost surely, 2^1373368987 is an apocalyptic number.

1373368987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1373368987 is a deficient number, since it is larger than the sum of its proper divisors (81110213).

1373368987 is an equidigital number, since it uses as much as digits as its factorization.

1373368987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005.

The product of its digits is 4572288, while the sum is 55.

The square root of 1373368987 is about 37058.9933349518. The cubic root of 1373368987 is about 1111.5501936937.

The spelling of 1373368987 in words is "one billion, three hundred seventy-three million, three hundred sixty-eight thousand, nine hundred eighty-seven".