139416 has 32 divisors (see below), whose sum is σ = 360240. Its totient is φ = 44928.

The previous prime is 139409. The next prime is 139423. The reversal of 139416 is 614931.

It is an interprime number because it is at equal distance from previous prime (139409) and next prime (139423).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810 + ... + 966.

2¹³⁹⁴¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180120).

139416 is an abundant number, since it is smaller than the sum of its proper divisors (220824).

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

139416 is a wasteful number, since it uses less digits than its factorization.

139416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 139416 is about 373.3845203005. The cubic root of 139416 is about 51.8526399981.

It can be divided in two parts, 139 and 416, that added together give a palindrome (555).

The spelling of 139416 in words is "one hundred thirty-nine thousand, four hundred sixteen".