3143432136 has 64 divisors (see below), whose sum is σ = 8486089920. Its totient is φ = 964581120.

The previous prime is 3143432129. The next prime is 3143432137. The reversal of 3143432136 is 6312343413.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3143432137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102871 + ... + 129881.

It is an arithmetic number, because the mean of its divisors is an integer number (132595155).

Almost surely, 2^3143432136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143432136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4243044960).

3143432136 is an abundant number, since it is smaller than the sum of its proper divisors (5342657784).

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

3143432136 is a wasteful number, since it uses less digits than its factorization.

3143432136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27406 (or 27402 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 3143432136 is about 56066.3190873095. The cubic root of 3143432136 is about 1464.8776837233.

Adding to 3143432136 its reverse (6312343413), we get a palindrome (9455775549).

The spelling of 3143432136 in words is "three billion, one hundred forty-three million, four hundred thirty-two thousand, one hundred thirty-six".