140522973 has 4 divisors (see below), whose sum is σ = 187363968. Its totient is φ = 93681980.

The previous prime is 140522971. The next prime is 140522983. The reversal of 140522973 is 379225041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140522973 - 2¹ = 140522971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140522971) 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 3 ways as a sum of consecutive naturals, for example, 23420493 + ... + 23420498.

It is an arithmetic number, because the mean of its divisors is an integer number (46840992).

Almost surely, 2^140522973 is an apocalyptic number.

It is an amenable number.

140522973 is a deficient number, since it is larger than the sum of its proper divisors (46840995).

140522973 is an equidigital number, since it uses as much as digits as its factorization.

140522973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46840994.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 140522973 is about 11854.2386090377. The cubic root of 140522973 is about 519.8951625436.

The spelling of 140522973 in words is "one hundred forty million, five hundred twenty-two thousand, nine hundred seventy-three".