1331025134 has 8 divisors (see below), whose sum is σ = 2083343760. Its totient is φ = 636577216.

The previous prime is 1331025131. The next prime is 1331025197. The reversal of 1331025134 is 4315201331.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331025131) 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 3 ways as a sum of consecutive naturals, for example, 14467619 + ... + 14467710.

It is an arithmetic number, because the mean of its divisors is an integer number (260417970).

Almost surely, 2^1331025134 is an apocalyptic number.

1331025134 is a deficient number, since it is larger than the sum of its proper divisors (752318626).

1331025134 is a wasteful number, since it uses less digits than its factorization.

1331025134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935354.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1331025134 is about 36483.2171552894. The cubic root of 1331025134 is about 1100.0069239234.

Adding to 1331025134 its reverse (4315201331), we get a palindrome (5646226465).

The spelling of 1331025134 in words is "one billion, three hundred thirty-one million, twenty-five thousand, one hundred thirty-four".