140574621 has 8 divisors (see below), whose sum is σ = 204472224. Its totient is φ = 85196720.

The previous prime is 140574619. The next prime is 140574641. The reversal of 140574621 is 126475041.

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 140574621 - 2¹ = 140574619 is a prime.

It is a super-3 number, since 3×140574621³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140574641) 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, 2129886 + ... + 2129951.

It is an arithmetic number, because the mean of its divisors is an integer number (25559028).

Almost surely, 2^140574621 is an apocalyptic number.

140574621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140574621 is a deficient number, since it is larger than the sum of its proper divisors (63897603).

140574621 is a wasteful number, since it uses less digits than its factorization.

140574621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259851.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140574621 is about 11856.4168702016. The cubic root of 140574621 is about 519.9588490611.

The spelling of 140574621 in words is "one hundred forty million, five hundred seventy-four thousand, six hundred twenty-one".