1374145471 has 4 divisors (see below), whose sum is σ = 1378223392. Its totient is φ = 1370067552.

The previous prime is 1374145457. The next prime is 1374145477. The reversal of 1374145471 is 1745414731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1374145471 - 2¹⁷ = 1374014399 is a prime.

It is a super-3 number, since 3×1374145471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1374145471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374145477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038455 + ... + 2039128.

It is an arithmetic number, because the mean of its divisors is an integer number (344555848).

Almost surely, 2^1374145471 is an apocalyptic number.

1374145471 is a deficient number, since it is larger than the sum of its proper divisors (4077921).

1374145471 is an equidigital number, since it uses as much as digits as its factorization.

1374145471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077920.

The product of its digits is 47040, while the sum is 37.

The square root of 1374145471 is about 37069.4681780033. The cubic root of 1374145471 is about 1111.7596393072.

The spelling of 1374145471 in words is "one billion, three hundred seventy-four million, one hundred forty-five thousand, four hundred seventy-one".