139500357 has 4 divisors (see below), whose sum is σ = 186000480. Its totient is φ = 93000236.

The previous prime is 139500349. The next prime is 139500377. The reversal of 139500357 is 753005931.

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 139500357 - 2³ = 139500349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139500377) 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 3 ways as a sum of consecutive naturals, for example, 23250057 + ... + 23250062.

It is an arithmetic number, because the mean of its divisors is an integer number (46500120).

Almost surely, 2^139500357 is an apocalyptic number.

It is an amenable number.

139500357 is a deficient number, since it is larger than the sum of its proper divisors (46500123).

139500357 is an equidigital number, since it uses as much as digits as its factorization.

139500357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46500122.

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 139500357 is about 11811.0269240232. The cubic root of 139500357 is about 518.6309611797.

The spelling of 139500357 in words is "one hundred thirty-nine million, five hundred thousand, three hundred fifty-seven".