139553241 has 16 divisors (see below), whose sum is σ = 187646400. Its totient is φ = 92252160.

The previous prime is 139553237. The next prime is 139553257. The reversal of 139553241 is 142355931.

It is not a de Polignac number, because 139553241 - 2² = 139553237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139553261) 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, 310585 + ... + 311033.

It is an arithmetic number, because the mean of its divisors is an integer number (11727900).

Almost surely, 2^139553241 is an apocalyptic number.

It is an amenable number.

139553241 is a deficient number, since it is larger than the sum of its proper divisors (48093159).

139553241 is a wasteful number, since it uses less digits than its factorization.

139553241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 16200, while the sum is 33.

The square root of 139553241 is about 11813.2654672618. The cubic root of 139553241 is about 518.6964898403.

The spelling of 139553241 in words is "one hundred thirty-nine million, five hundred fifty-three thousand, two hundred forty-one".