140122467 has 20 divisors (see below), whose sum is σ = 210394800. Its totient is φ = 92934864.

The previous prime is 140122459. The next prime is 140122481. The reversal of 140122467 is 764221041.

It is not a de Polignac number, because 140122467 - 2³ = 140122459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140122467.

It is not an unprimeable number, because it can be changed into a prime (140122427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11773 + ... + 20465.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 2^140122467 is an apocalyptic number.

140122467 is a deficient number, since it is larger than the sum of its proper divisors (70272333).

140122467 is an equidigital number, since it uses as much as digits as its factorization.

140122467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140122467 is about 11837.3336102350. Note that the first 3 decimals coincide. The cubic root of 140122467 is about 519.4007730046.

The spelling of 140122467 in words is "one hundred forty million, one hundred twenty-two thousand, four hundred sixty-seven".