1354331144 has 8 divisors (see below), whose sum is σ = 2539370910. Its totient is φ = 677165568.

The previous prime is 1354331093. The next prime is 1354331161. The reversal of 1354331144 is 4411334531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 748679044 + 605652100 = 27362^2 + 24610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84645689 + ... + 84645704.

Almost surely, 2^1354331144 is an apocalyptic number.

It is an amenable number.

1354331144 is a deficient number, since it is larger than the sum of its proper divisors (1185039766).

1354331144 is a wasteful number, since it uses less digits than its factorization.

1354331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169291399 (or 169291395 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1354331144 is about 36801.2383487295. The cubic root of 1354331144 is about 1106.3901190407.

Adding to 1354331144 its reverse (4411334531), we get a palindrome (5765665675).

The spelling of 1354331144 in words is "one billion, three hundred fifty-four million, three hundred thirty-one thousand, one hundred forty-four".