1401434532 has 72 divisors (see below), whose sum is σ = 3626942592. Its totient is φ = 456062400.

The previous prime is 1401434527. The next prime is 1401434537. The reversal of 1401434532 is 2354341041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1401434527) and next prime (1401434537).

It is a junction number, because it is equal to n+sod(n) for n = 1401434496 and 1401434505.

It is not an unprimeable number, because it can be changed into a prime (1401434537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 914607 + ... + 916137.

Almost surely, 2^1401434532 is an apocalyptic number.

1401434532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401434532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813471296).

1401434532 is an abundant number, since it is smaller than the sum of its proper divisors (2225508060).

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

1401434532 is a wasteful number, since it uses less digits than its factorization.

1401434532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2124 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1401434532 is about 37435.7386998040. The cubic root of 1401434532 is about 1119.0709057174.

Adding to 1401434532 its reverse (2354341041), we get a palindrome (3755775573).

The spelling of 1401434532 in words is "one billion, four hundred one million, four hundred thirty-four thousand, five hundred thirty-two".