140008477 has 8 divisors (see below), whose sum is σ = 161232192. Its totient is φ = 119090400.

The previous prime is 140008423. The next prime is 140008487. The reversal of 140008477 is 774800041.

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 140008477 - 2¹⁵ = 139975709 is a prime.

It is a super-3 number, since 3×140008477³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140008487) 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, 75424 + ... + 77257.

It is an arithmetic number, because the mean of its divisors is an integer number (20154024).

Almost surely, 2^140008477 is an apocalyptic number.

It is an amenable number.

140008477 is a deficient number, since it is larger than the sum of its proper divisors (21223715).

140008477 is a wasteful number, since it uses less digits than its factorization.

140008477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152819.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 140008477 is about 11832.5177794077. The cubic root of 140008477 is about 519.2598901575.

The spelling of 140008477 in words is "one hundred forty million, eight thousand, four hundred seventy-seven".