139571796 has 216 divisors, whose sum is σ = 443751840. Its totient is φ = 33747840.

The previous prime is 139571791. The next prime is 139571801. The reversal of 139571796 is 697175931.

It is an interprime number because it is at equal distance from previous prime (139571791) and next prime (139571801).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139571791) 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 71 ways as a sum of consecutive naturals, for example, 4502301 + ... + 4502331.

Almost surely, 2^139571796 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 139571796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221875920).

139571796 is an abundant number, since it is smaller than the sum of its proper divisors (304180044).

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

139571796 is a wasteful number, since it uses less digits than its factorization.

139571796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 75 counting only the distinct ones).

The product of its digits is 357210, while the sum is 48.

The square root of 139571796 is about 11814.0507870925. The cubic root of 139571796 is about 518.7194774512.

It can be divided in two parts, 13957 and 1796, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 139571796 in words is "one hundred thirty-nine million, five hundred seventy-one thousand, seven hundred ninety-six".