139225041 has 16 divisors (see below), whose sum is σ = 207748800. Its totient is φ = 92146464.

The previous prime is 139225039. The next prime is 139225063. The reversal of 139225041 is 140522931.

139225041 is a `hidden beast` number, since 139 + 22 + 504 + 1 = 666.

It is not a de Polignac number, because 139225041 - 2¹ = 139225039 is a prime.

It is a super-2 number, since 2×139225041² = 38767224082903362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 139224996 and 139225014.

It is not an unprimeable number, because it can be changed into a prime (139225081) 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 15 ways as a sum of consecutive naturals, for example, 14796 + ... + 22301.

It is an arithmetic number, because the mean of its divisors is an integer number (12984300).

Almost surely, 2^139225041 is an apocalyptic number.

It is an amenable number.

139225041 is a deficient number, since it is larger than the sum of its proper divisors (68523759).

139225041 is a wasteful number, since it uses less digits than its factorization.

139225041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37245 (or 37239 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 139225041 is about 11799.3661270426. The cubic root of 139225041 is about 518.2895488174.

Adding to 139225041 its reverse (140522931), we get a palindrome (279747972).

The spelling of 139225041 in words is "one hundred thirty-nine million, two hundred twenty-five thousand, forty-one".