1371211888 has 40 divisors (see below), whose sum is σ = 2691891200. Its totient is φ = 676589760.

The previous prime is 1371211879. The next prime is 1371211921. The reversal of 1371211888 is 8881121731.

It is a self number, because there is not a number n which added to its sum of digits gives 1371211888.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 402673 + ... + 406063.

It is an arithmetic number, because the mean of its divisors is an integer number (67297280).

Almost surely, 2^1371211888 is an apocalyptic number.

It is an amenable number.

1371211888 is a deficient number, since it is larger than the sum of its proper divisors (1320679312).

1371211888 is a wasteful number, since it uses less digits than its factorization.

1371211888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3719 counting only the distinct ones).

The product of its digits is 21504, while the sum is 40.

The square root of 1371211888 is about 37029.8783146799. The cubic root of 1371211888 is about 1110.9679320513.

It can be divided in two parts, 13712 and 11888, that added together give a square (25600 = 160²).

The spelling of 1371211888 in words is "one billion, three hundred seventy-one million, two hundred eleven thousand, eight hundred eighty-eight".