140699477 has 8 divisors (see below), whose sum is σ = 142845120. Its totient is φ = 138566560.

The previous prime is 140699473. The next prime is 140699491. The reversal of 140699477 is 774996041.

It is a happy number.

140699477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140699477 - 2² = 140699473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140699473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20402 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (17855640).

Almost surely, 2^140699477 is an apocalyptic number.

It is an amenable number.

140699477 is a deficient number, since it is larger than the sum of its proper divisors (2145643).

140699477 is an equidigital number, since it uses as much as digits as its factorization.

140699477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 140699477 is about 11861.6810360083. The cubic root of 140699477 is about 520.1127430589.

The spelling of 140699477 in words is "one hundred forty million, six hundred ninety-nine thousand, four hundred seventy-seven".