1374147557 has 8 divisors (see below), whose sum is σ = 1383684120. Its totient is φ = 1364642560.

The previous prime is 1374147529. The next prime is 1374147563. The reversal of 1374147557 is 7557414731.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 1353798436 = 4511^2 + 36794^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1374147557 - 2⁸ = 1374147301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374143557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83057 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (172960515).

Almost surely, 2^1374147557 is an apocalyptic number.

It is an amenable number.

1374147557 is a deficient number, since it is larger than the sum of its proper divisors (9536563).

1374147557 is a wasteful number, since it uses less digits than its factorization.

1374147557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15783.

The product of its digits is 411600, while the sum is 44.

The square root of 1374147557 is about 37069.4963143553. The cubic root of 1374147557 is about 1111.7602018700.

The spelling of 1374147557 in words is "one billion, three hundred seventy-four million, one hundred forty-seven thousand, five hundred fifty-seven".