1374688861 has 16 divisors (see below), whose sum is σ = 1737656704. Its totient is φ = 1058266944.

The previous prime is 1374688859. The next prime is 1374688871. The reversal of 1374688861 is 1688864731.

It is not a de Polignac number, because 1374688861 - 2¹ = 1374688859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1374688799 and 1374688808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374688841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200775 + ... + 207508.

It is an arithmetic number, because the mean of its divisors is an integer number (108603544).

Almost surely, 2^1374688861 is an apocalyptic number.

It is an amenable number.

1374688861 is a deficient number, since it is larger than the sum of its proper divisors (362967843).

1374688861 is a wasteful number, since it uses less digits than its factorization.

1374688861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408340.

The product of its digits is 1548288, while the sum is 52.

The square root of 1374688861 is about 37076.7968006946. The cubic root of 1374688861 is about 1111.9061641766.

The spelling of 1374688861 in words is "one billion, three hundred seventy-four million, six hundred eighty-eight thousand, eight hundred sixty-one".