139846164 has 24 divisors (see below), whose sum is σ = 340495680. Its totient is φ = 44588544.

The previous prime is 139846159. The next prime is 139846169. The reversal of 139846164 is 461648931.

It is an interprime number because it is at equal distance from previous prime (139846159) and next prime (139846169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139846169) 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 7 ways as a sum of consecutive naturals, for example, 253069 + ... + 253620.

It is an arithmetic number, because the mean of its divisors is an integer number (14187320).

Almost surely, 2^139846164 is an apocalyptic number.

It is an amenable number.

139846164 is an abundant number, since it is smaller than the sum of its proper divisors (200649516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139846164 is a wasteful number, since it uses less digits than its factorization.

139846164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506719 (or 506717 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 139846164 is about 11825.6570219164. The cubic root of 139846164 is about 519.0591517851.

The spelling of 139846164 in words is "one hundred thirty-nine million, eight hundred forty-six thousand, one hundred sixty-four".