140562461 has 8 divisors (see below), whose sum is σ = 151732224. Its totient is φ = 129443760.

The previous prime is 140562451. The next prime is 140562467. The reversal of 140562461 is 164265041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140562461 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 (140562467) 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, 6941 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (18966528).

Almost surely, 2^140562461 is an apocalyptic number.

It is an amenable number.

140562461 is a deficient number, since it is larger than the sum of its proper divisors (11169763).

140562461 is a wasteful number, since it uses less digits than its factorization.

140562461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 140562461 is about 11855.9040566293. The cubic root of 140562461 is about 519.9438561179.

The spelling of 140562461 in words is "one hundred forty million, five hundred sixty-two thousand, four hundred sixty-one".