140887432 has 64 divisors (see below), whose sum is σ = 336528000. Its totient is φ = 53830656.

The previous prime is 140887429. The next prime is 140887433. The reversal of 140887432 is 234788041.

It is a junction number, because it is equal to n+sod(n) for n = 140887391 and 140887400.

It is not an unprimeable number, because it can be changed into a prime (140887433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14194 + ... + 21982.

It is an arithmetic number, because the mean of its divisors is an integer number (5258250).

Almost surely, 2^140887432 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 140887432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168264000).

140887432 is an abundant number, since it is smaller than the sum of its proper divisors (195640568).

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

140887432 is a wasteful number, since it uses less digits than its factorization.

140887432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 140887432 is about 11869.6011727438. The cubic root of 140887432 is about 520.3442395191.

The spelling of 140887432 in words is "one hundred forty million, eight hundred eighty-seven thousand, four hundred thirty-two".