140783538 has 32 divisors (see below), whose sum is σ = 324808704. Its totient is φ = 39846672.

The previous prime is 140783519. The next prime is 140783551. The reversal of 140783538 is 835387041.

It is a junction number, because it is equal to n+sod(n) for n = 140783496 and 140783505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11170 + ... + 20157.

It is an arithmetic number, because the mean of its divisors is an integer number (10150272).

Almost surely, 2^140783538 is an apocalyptic number.

140783538 is an abundant number, since it is smaller than the sum of its proper divisors (184025166).

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

140783538 is a wasteful number, since it uses less digits than its factorization.

140783538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31446.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 140783538 is about 11865.2238916929. The cubic root of 140783538 is about 520.2163030106.

The spelling of 140783538 in words is "one hundred forty million, seven hundred eighty-three thousand, five hundred thirty-eight".