140461 has 8 divisors (see below), whose sum is σ = 152064. Its totient is φ = 129360.

The previous prime is 140453. The next prime is 140473. The reversal of 140461 is 164041.

It is a happy number.

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 140461 - 2³ = 140453 is a prime.

It is a Duffinian number.

140461 is a lucky number.

It is a plaindrome in base 7 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401) 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, 615 + ... + 811.

It is an arithmetic number, because the mean of its divisors is an integer number (19008).

2¹⁴⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

140461 is a deficient number, since it is larger than the sum of its proper divisors (11603).

140461 is a wasteful number, since it uses less digits than its factorization.

140461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140461 is about 374.7812695426. The cubic root of 140461 is about 51.9818723795.

The spelling of 140461 in words is "one hundred forty thousand, four hundred sixty-one".