140390548 has 6 divisors (see below), whose sum is σ = 245683466. Its totient is φ = 70195272.

The previous prime is 140390533. The next prime is 140390557. The reversal of 140390548 is 845093041.

It can be written as a sum of positive squares in only one way, i.e., 138721284 + 1669264 = 11778^2 + 1292^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17548815 + ... + 17548822.

Almost surely, 2^140390548 is an apocalyptic number.

It is an amenable number.

140390548 is a deficient number, since it is larger than the sum of its proper divisors (105292918).

140390548 is a wasteful number, since it uses less digits than its factorization.

140390548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35097641 (or 35097639 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 140390548 is about 11848.6517376451. The cubic root of 140390548 is about 519.7317995638.

The spelling of 140390548 in words is "one hundred forty million, three hundred ninety thousand, five hundred forty-eight".