140622001 has 8 divisors (see below), whose sum is σ = 151531520. Its totient is φ = 129725712.

The previous prime is 140621989. The next prime is 140622029. The reversal of 140622001 is 100226041.

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 140622001 - 2⁵ = 140621969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140622061) 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, 37456 + ... + 41038.

It is an arithmetic number, because the mean of its divisors is an integer number (18941440).

Almost surely, 2^140622001 is an apocalyptic number.

It is an amenable number.

140622001 is a deficient number, since it is larger than the sum of its proper divisors (10909519).

140622001 is a wasteful number, since it uses less digits than its factorization.

140622001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140622001 is about 11858.4147760145. The cubic root of 140622001 is about 520.0172590425.

Adding to 140622001 its reverse (100226041), we get a palindrome (240848042).

The spelling of 140622001 in words is "one hundred forty million, six hundred twenty-two thousand, one".