140505452 has 6 divisors (see below), whose sum is σ = 245884548. Its totient is φ = 70252724.

The previous prime is 140505439. The next prime is 140505473. The reversal of 140505452 is 254505041.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17563178 + ... + 17563185.

It is an arithmetic number, because the mean of its divisors is an integer number (40980758).

Almost surely, 2^140505452 is an apocalyptic number.

It is an amenable number.

140505452 is a deficient number, since it is larger than the sum of its proper divisors (105379096).

140505452 is a wasteful number, since it uses less digits than its factorization.

140505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35126367 (or 35126365 counting only the distinct ones).

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

The square root of 140505452 is about 11853.4995676382. The cubic root of 140505452 is about 519.8735540679.

The spelling of 140505452 in words is "one hundred forty million, five hundred five thousand, four hundred fifty-two".