139230001 has 8 divisors (see below), whose sum is σ = 146320064. Its totient is φ = 132315120.

The previous prime is 139229963. The next prime is 139230019. The reversal of 139230001 is 100032931.

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 139230001 - 2²³ = 130841393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139230041) 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 7 ways as a sum of consecutive naturals, for example, 42165 + ... + 45346.

It is an arithmetic number, because the mean of its divisors is an integer number (18290008).

Almost surely, 2^139230001 is an apocalyptic number.

It is an amenable number.

139230001 is a deficient number, since it is larger than the sum of its proper divisors (7090063).

139230001 is an equidigital number, since it uses as much as digits as its factorization.

139230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87591.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 139230001 is about 11799.5763059527. The cubic root of 139230001 is about 518.2957035666.

Adding to 139230001 its reverse (100032931), we get a palindrome (239262932).

The spelling of 139230001 in words is "one hundred thirty-nine million, two hundred thirty thousand, one".