1521332134 has 16 divisors (see below), whose sum is σ = 2609411328. Its totient is φ = 651646152.

The previous prime is 1521332129. The next prime is 1521332177. The reversal of 1521332134 is 4312331251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1521332099 and 1521332108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 55189.

It is an arithmetic number, because the mean of its divisors is an integer number (163088208).

Almost surely, 2^1521332134 is an apocalyptic number.

1521332134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1521332134 is a deficient number, since it is larger than the sum of its proper divisors (1088079194).

1521332134 is a wasteful number, since it uses less digits than its factorization.

1521332134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58899.

The product of its digits is 2160, while the sum is 25.

The square root of 1521332134 is about 39004.2578957734. The cubic root of 1521332134 is about 1150.1152081177.

Adding to 1521332134 its reverse (4312331251), we get a palindrome (5833663385).

The spelling of 1521332134 in words is "one billion, five hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-four".