1331000144 has 20 divisors (see below), whose sum is σ = 2633682624. Its totient is φ = 651340128.

The previous prime is 1331000107. The next prime is 1331000189. The reversal of 1331000144 is 4410001331.

It is a super-2 number, since 2×1331000144² = 3543122766656041472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884222 + ... + 885725.

Almost surely, 2^1331000144 is an apocalyptic number.

It is an amenable number.

1331000144 is a deficient number, since it is larger than the sum of its proper divisors (1302682480).

1331000144 is a wasteful number, since it uses less digits than its factorization.

1331000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770002 (or 1769996 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1331000144 is about 36482.8746674381. The cubic root of 1331000144 is about 1100.0000396694. Note that the first 4 decimals are identical.

Subtracting from 1331000144 its product of nonzero digits (144), we obtain a cube (1331000000 = 1100³).

Adding to 1331000144 its reverse (4410001331), we get a palindrome (5741001475).

The spelling of 1331000144 in words is "one billion, three hundred thirty-one million, one hundred forty-four", and thus it is an aban number.