1374605144 has 16 divisors (see below), whose sum is σ = 2811692520. Its totient is φ = 624820480.

The previous prime is 1374605137. The next prime is 1374605147. The reversal of 1374605144 is 4415064731.

It is a super-2 number, since 2×1374605144² = 3779078603822521472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374605147) 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, 7810169 + ... + 7810344.

Almost surely, 2^1374605144 is an apocalyptic number.

It is an amenable number.

1374605144 is an abundant number, since it is smaller than the sum of its proper divisors (1437087376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374605144 is a wasteful number, since it uses less digits than its factorization.

1374605144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620530 (or 15620526 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1374605144 is about 37075.6678159679. The cubic root of 1374605144 is about 1111.8835924416.

Adding to 1374605144 its reverse (4415064731), we get a palindrome (5789669875).

The spelling of 1374605144 in words is "one billion, three hundred seventy-four million, six hundred five thousand, one hundred forty-four".