140609951 has 8 divisors (see below), whose sum is σ = 149007600. Its totient is φ = 132448960.

The previous prime is 140609933. The next prime is 140609969. The reversal of 140609951 is 159906041.

It is an interprime number because it is at equal distance from previous prime (140609933) and next prime (140609969).

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 140609951 - 2¹⁰ = 140608927 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 (140609251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57941 + ... + 60318.

It is an arithmetic number, because the mean of its divisors is an integer number (18625950).

Almost surely, 2^140609951 is an apocalyptic number.

140609951 is a deficient number, since it is larger than the sum of its proper divisors (8397649).

140609951 is a wasteful number, since it uses less digits than its factorization.

140609951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118329.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 140609951 is about 11857.9066871012. The cubic root of 140609951 is about 520.0024050678.

The spelling of 140609951 in words is "one hundred forty million, six hundred nine thousand, nine hundred fifty-one".