139930001 has 8 divisors (see below), whose sum is σ = 144712704. Its totient is φ = 135164160.

The previous prime is 139929991. The next prime is 139930013. The reversal of 139930001 is 100039931.

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 139930001 - 2¹⁴ = 139913617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139930031) 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, 13976 + ... + 21798.

It is an arithmetic number, because the mean of its divisors is an integer number (18089088).

Almost surely, 2^139930001 is an apocalyptic number.

It is an amenable number.

139930001 is a deficient number, since it is larger than the sum of its proper divisors (4782703).

139930001 is an equidigital number, since it uses as much as digits as its factorization.

139930001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 139930001 is about 11829.2011987285. The cubic root of 139930001 is about 519.1628554259.

Adding to 139930001 its reverse (100039931), we get a palindrome (239969932).

The spelling of 139930001 in words is "one hundred thirty-nine million, nine hundred thirty thousand, one".