1401353532 has 18 divisors (see below), whose sum is σ = 3542310408. Its totient is φ = 467117832.

The previous prime is 1401353521. The next prime is 1401353561. The reversal of 1401353532 is 2353531041.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1401353496 and 1401353505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19463208 + ... + 19463279.

Almost surely, 2^1401353532 is an apocalyptic number.

1401353532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401353532 is an abundant number, since it is smaller than the sum of its proper divisors (2140956876).

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

1401353532 is a wasteful number, since it uses less digits than its factorization.

1401353532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38926497 (or 38926492 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1401353532 is about 37434.6568302689. The cubic root of 1401353532 is about 1119.0493453120.

Adding to 1401353532 its reverse (2353531041), we get a palindrome (3754884573).

The spelling of 1401353532 in words is "one billion, four hundred one million, three hundred fifty-three thousand, five hundred thirty-two".