140548001 has 8 divisors (see below), whose sum is σ = 156587904. Its totient is φ = 125051920.

The previous prime is 140547991. The next prime is 140548003. The reversal of 140548001 is 100845041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140548001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140548003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135410 + ... + 136443.

It is an arithmetic number, because the mean of its divisors is an integer number (19573488).

Almost surely, 2^140548001 is an apocalyptic number.

140548001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140548001 is a deficient number, since it is larger than the sum of its proper divisors (16039903).

140548001 is a wasteful number, since it uses less digits than its factorization.

140548001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271911.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 140548001 is about 11855.2942181964. The cubic root of 140548001 is about 519.9260262129.

The spelling of 140548001 in words is "one hundred forty million, five hundred forty-eight thousand, one".