140552054 has 4 divisors (see below), whose sum is σ = 210828084. Its totient is φ = 70276026.

The previous prime is 140552051. The next prime is 140552077. The reversal of 140552054 is 450255041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140552051) by changing a digit.

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 as a sum of consecutive naturals, namely, 35138012 + ... + 35138015.

It is an arithmetic number, because the mean of its divisors is an integer number (52707021).

Almost surely, 2^140552054 is an apocalyptic number.

140552054 is a deficient number, since it is larger than the sum of its proper divisors (70276030).

140552054 is an equidigital number, since it uses as much as digits as its factorization.

140552054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70276029.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 140552054 is about 11855.4651532532. The cubic root of 140552054 is about 519.9310238884.

The spelling of 140552054 in words is "one hundred forty million, five hundred fifty-two thousand, fifty-four".