139814712 has 96 divisors (see below), whose sum is σ = 401681280. Its totient is φ = 43856640.

The previous prime is 139814693. The next prime is 139814747. The reversal of 139814712 is 217418931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81738 + ... + 83430.

It is an arithmetic number, because the mean of its divisors is an integer number (4184180).

Almost surely, 2^139814712 is an apocalyptic number.

139814712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139814712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200840640).

139814712 is an abundant number, since it is smaller than the sum of its proper divisors (261866568).

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

139814712 is a wasteful number, since it uses less digits than its factorization.

139814712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1766 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 139814712 is about 11824.3271267333. The cubic root of 139814712 is about 519.0202359936.

It can be divided in two parts, 1398 and 14712, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 139814712 in words is "one hundred thirty-nine million, eight hundred fourteen thousand, seven hundred twelve".