140642467 has 16 divisors (see below), whose sum is σ = 162865152. Its totient is φ = 118964160.

The previous prime is 140642461. The next prime is 140642477. The reversal of 140642467 is 764246041.

It is not a de Polignac number, because 140642467 - 2³ = 140642459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140642461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249528 + ... + 250090.

It is an arithmetic number, because the mean of its divisors is an integer number (10179072).

Almost surely, 2^140642467 is an apocalyptic number.

140642467 is a deficient number, since it is larger than the sum of its proper divisors (22222685).

140642467 is a wasteful number, since it uses less digits than its factorization.

140642467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 140642467 is about 11859.2776761487. The cubic root of 140642467 is about 520.0424854341.

The spelling of 140642467 in words is "one hundred forty million, six hundred forty-two thousand, four hundred sixty-seven".