1351533132 has 36 divisors (see below), whose sum is σ = 3418243920. Its totient is φ = 450264672.

The previous prime is 1351533109. The next prime is 1351533149. The reversal of 1351533132 is 2313351531.

1351533132 is a `hidden beast` number, since 13 + 515 + 3 + 3 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1351533096 and 1351533105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63793 + ... + 82295.

It is an arithmetic number, because the mean of its divisors is an integer number (94951220).

Almost surely, 2^1351533132 is an apocalyptic number.

1351533132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351533132 is an abundant number, since it is smaller than the sum of its proper divisors (2066710788).

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

1351533132 is a wasteful number, since it uses less digits than its factorization.

1351533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20542 (or 20537 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1351533132 is about 36763.2035056794. The cubic root of 1351533132 is about 1105.6276695796.

Adding to 1351533132 its reverse (2313351531), we get a palindrome (3664884663).

The spelling of 1351533132 in words is "one billion, three hundred fifty-one million, five hundred thirty-three thousand, one hundred thirty-two".