1371750005 has 8 divisors (see below), whose sum is σ = 1673085624. Its totient is φ = 1079409600.

The previous prime is 1371749993. The next prime is 1371750007. The reversal of 1371750005 is 5000571731.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 1371443089 = 554^2 + 37033^2 .

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

It is not a de Polignac number, because 1371750005 - 2⁴ = 1371749989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1371750005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371750007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248466 + ... + 2249075.

It is an arithmetic number, because the mean of its divisors is an integer number (209135703).

Almost surely, 2^1371750005 is an apocalyptic number.

It is an amenable number.

1371750005 is a deficient number, since it is larger than the sum of its proper divisors (301335619).

1371750005 is an equidigital number, since it uses as much as digits as its factorization.

1371750005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497607.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 1371750005 is about 37037.1435858653. The cubic root of 1371750005 is about 1111.1132420867.

The spelling of 1371750005 in words is "one billion, three hundred seventy-one million, seven hundred fifty thousand, five".