140553554 has 4 divisors (see below), whose sum is σ = 210830334. Its totient is φ = 70276776.

The previous prime is 140553533. The next prime is 140553563. The reversal of 140553554 is 455355041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107226025 + 33327529 = 10355^2 + 5773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140553554.

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, 35138387 + ... + 35138390.

Almost surely, 2^140553554 is an apocalyptic number.

140553554 is a deficient number, since it is larger than the sum of its proper divisors (70276780).

140553554 is an equidigital number, since it uses as much as digits as its factorization.

140553554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70276779.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 140553554 is about 11855.5284150476. The cubic root of 140553554 is about 519.9328734849.

The spelling of 140553554 in words is "one hundred forty million, five hundred fifty-three thousand, five hundred fifty-four".