1374681543 has 16 divisors (see below), whose sum is σ = 1864318176. Its totient is φ = 900771840.

The previous prime is 1374681509. The next prime is 1374681551. The reversal of 1374681543 is 3451864731.

It is a happy number.

It is not a de Polignac number, because 1374681543 - 2²⁵ = 1341127111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1374681495 and 1374681504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374681443) 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, 473071 + ... + 475967.

It is an arithmetic number, because the mean of its divisors is an integer number (116519886).

Almost surely, 2^1374681543 is an apocalyptic number.

1374681543 is a deficient number, since it is larger than the sum of its proper divisors (489636633).

1374681543 is a wasteful number, since it uses less digits than its factorization.

1374681543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554.

The product of its digits is 241920, while the sum is 42.

The square root of 1374681543 is about 37076.6981135052. The cubic root of 1374681543 is about 1111.9041911377.

The spelling of 1374681543 in words is "one billion, three hundred seventy-four million, six hundred eighty-one thousand, five hundred forty-three".