139220011 has 24 divisors (see below), whose sum is σ = 172577760. Its totient is φ = 109921536.

The previous prime is 139219963. The next prime is 139220027. The reversal of 139220011 is 110022931.

It is not a de Polignac number, because 139220011 - 2¹¹ = 139217963 is a prime.

It is a super-2 number, since 2×139220011² = 38764422925680242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (139220611) 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 23 ways as a sum of consecutive naturals, for example, 92755 + ... + 94243.

It is an arithmetic number, because the mean of its divisors is an integer number (7190740).

Almost surely, 2^139220011 is an apocalyptic number.

139220011 is a deficient number, since it is larger than the sum of its proper divisors (33357749).

139220011 is a wasteful number, since it uses less digits than its factorization.

139220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 139220011 is about 11799.1529780743. The cubic root of 139220011 is about 518.2833070576.

Adding to 139220011 its reverse (110022931), we get a palindrome (249242942).

The spelling of 139220011 in words is "one hundred thirty-nine million, two hundred twenty thousand, eleven".