1351673975 has 6 divisors (see below), whose sum is σ = 1676075760. Its totient is φ = 1081339160.

The previous prime is 1351673971. The next prime is 1351673977. The reversal of 1351673975 is 5793761531.

1351673975 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1351673975 - 2² = 1351673971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351673971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27033455 + ... + 27033504.

It is an arithmetic number, because the mean of its divisors is an integer number (279345960).

Almost surely, 2^1351673975 is an apocalyptic number.

1351673975 is a deficient number, since it is larger than the sum of its proper divisors (324401785).

1351673975 is an equidigital number, since it uses as much as digits as its factorization.

1351673975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54066969 (or 54066964 counting only the distinct ones).

The product of its digits is 595350, while the sum is 47.

The square root of 1351673975 is about 36765.1189988554. The cubic root of 1351673975 is about 1105.6660739924. Note that the first 3 decimals are identical.

The spelling of 1351673975 in words is "one billion, three hundred fifty-one million, six hundred seventy-three thousand, nine hundred seventy-five".