139532343 has 4 divisors (see below), whose sum is σ = 186043128. Its totient is φ = 93021560.

The previous prime is 139532339. The next prime is 139532347. The reversal of 139532343 is 343235931.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (139532339) and next prime (139532347).

It is a cyclic number.

It is not a de Polignac number, because 139532343 - 2² = 139532339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139532347) 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, 23255388 + ... + 23255393.

It is an arithmetic number, because the mean of its divisors is an integer number (46510782).

Almost surely, 2^139532343 is an apocalyptic number.

139532343 is a deficient number, since it is larger than the sum of its proper divisors (46510785).

139532343 is an equidigital number, since it uses as much as digits as its factorization.

139532343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46510784.

The product of its digits is 29160, while the sum is 33.

The square root of 139532343 is about 11812.3809200347. The cubic root of 139532343 is about 518.6705970692.

The spelling of 139532343 in words is "one hundred thirty-nine million, five hundred thirty-two thousand, three hundred forty-three".