10139001 has 4 divisors (see below), whose sum is σ = 13518672. Its totient is φ = 6759332.

The previous prime is 10138991. The next prime is 10139023. The reversal of 10139001 is 10093101.

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 10139001 - 2⁶ = 10138937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10139081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689831 + ... + 1689836.

It is an arithmetic number, because the mean of its divisors is an integer number (3379668).

Almost surely, 2^10139001 is an apocalyptic number.

It is an amenable number.

10139001 is a deficient number, since it is larger than the sum of its proper divisors (3379671).

10139001 is an equidigital number, since it uses as much as digits as its factorization.

10139001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379670.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 10139001 is about 3184.1798001997. The cubic root of 10139001 is about 216.4371078211.

The spelling of 10139001 in words is "ten million, one hundred thirty-nine thousand, one".