140437432 has 16 divisors (see below), whose sum is σ = 267030000. Its totient is φ = 69229440.

The previous prime is 140437403. The next prime is 140437463. The reversal of 140437432 is 234734041.

140437432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140437432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123057 + ... + 124192.

It is an arithmetic number, because the mean of its divisors is an integer number (16689375).

Almost surely, 2^140437432 is an apocalyptic number.

It is an amenable number.

140437432 is a deficient number, since it is larger than the sum of its proper divisors (126592568).

140437432 is a wasteful number, since it uses less digits than its factorization.

140437432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247326 (or 247322 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 140437432 is about 11850.6300254459. The cubic root of 140437432 is about 519.7896486476.

The spelling of 140437432 in words is "one hundred forty million, four hundred thirty-seven thousand, four hundred thirty-two".