139095936 has 192 divisors, whose sum is σ = 468449280. Its totient is φ = 38790144.

The previous prime is 139095911. The next prime is 139095937. The reversal of 139095936 is 639590931.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 139095891 and 139095900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139095937) 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 23 ways as a sum of consecutive naturals, for example, 378825 + ... + 379191.

It is an arithmetic number, because the mean of its divisors is an integer number (2439840).

Almost surely, 2^139095936 is an apocalyptic number.

139095936 is a gapful number since it is divisible by the number (16) 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 139095936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234224640).

139095936 is an abundant number, since it is smaller than the sum of its proper divisors (329353344).

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

139095936 is a wasteful number, since it uses less digits than its factorization.

139095936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 139095936 is about 11793.8940134292. The cubic root of 139095936 is about 518.1292939627.

The spelling of 139095936 in words is "one hundred thirty-nine million, ninety-five thousand, nine hundred thirty-six".