1371144505 has 16 divisors (see below), whose sum is σ = 1705665600. Its totient is φ = 1056879040.

The previous prime is 1371144499. The next prime is 1371144521. The reversal of 1371144505 is 5054411731.

It is not a de Polignac number, because 1371144505 - 2¹⁵ = 1371111737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61566 + ... + 80824.

It is an arithmetic number, because the mean of its divisors is an integer number (106604100).

Almost surely, 2^1371144505 is an apocalyptic number.

It is an amenable number.

1371144505 is a deficient number, since it is larger than the sum of its proper divisors (334521095).

1371144505 is a wasteful number, since it uses less digits than its factorization.

1371144505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19784.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1371144505 is about 37028.9684571418. The cubic root of 1371144505 is about 1110.9497336535.

The spelling of 1371144505 in words is "one billion, three hundred seventy-one million, one hundred forty-four thousand, five hundred five".