32620139 has 2 divisors, whose sum is σ = 32620140. Its totient is φ = 32620138.

The previous prime is 32620121. The next prime is 32620171. The reversal of 32620139 is 93102623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32620139 - 2⁸ = 32619883 is a prime.

It is a super-3 number, since 3×32620139³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32620109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16310069 + 16310070.

It is an arithmetic number, because the mean of its divisors is an integer number (16310070).

Almost surely, 2^32620139 is an apocalyptic number.

32620139 is a deficient number, since it is larger than the sum of its proper divisors (1).

32620139 is an equidigital number, since it uses as much as digits as its factorization.

32620139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 32620139 is about 5711.4042931664. The cubic root of 32620139 is about 319.5179558598.

The spelling of 32620139 in words is "thirty-two million, six hundred twenty thousand, one hundred thirty-nine".