140820662 has 8 divisors (see below), whose sum is σ = 218044992. Its totient is φ = 68139000.

The previous prime is 140820653. The next prime is 140820683. The reversal of 140820662 is 266028041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140820662² = 39660917692236488, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 1135589 + ... + 1135712.

It is an arithmetic number, because the mean of its divisors is an integer number (27255624).

Almost surely, 2^140820662 is an apocalyptic number.

140820662 is a deficient number, since it is larger than the sum of its proper divisors (77224330).

140820662 is a wasteful number, since it uses less digits than its factorization.

140820662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271334.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 140820662 is about 11866.7881922616. The cubic root of 140820662 is about 520.2620252425.

The spelling of 140820662 in words is "one hundred forty million, eight hundred twenty thousand, six hundred sixty-two".