139906011 has 8 divisors (see below), whose sum is σ = 213190144. Its totient is φ = 79946280.

The previous prime is 139906009. The next prime is 139906021. The reversal of 139906011 is 110609931.

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

It is not a de Polignac number, because 139906011 - 2¹ = 139906009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139906011.

It is not an unprimeable number, because it can be changed into a prime (139906021) 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, 3331075 + ... + 3331116.

It is an arithmetic number, because the mean of its divisors is an integer number (26648768).

Almost surely, 2^139906011 is an apocalyptic number.

139906011 is a deficient number, since it is larger than the sum of its proper divisors (73284133).

139906011 is an equidigital number, since it uses as much as digits as its factorization.

139906011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662201.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 139906011 is about 11828.1871392027. The cubic root of 139906011 is about 519.1331848081.

The spelling of 139906011 in words is "one hundred thirty-nine million, nine hundred six thousand, eleven".