139828077 has 24 divisors (see below), whose sum is σ = 214441344. Its totient is φ = 87494784.

The previous prime is 139828067. The next prime is 139828079. The reversal of 139828077 is 770828931.

It is not a de Polignac number, because 139828077 - 2⁴ = 139828061 is a prime.

It is a super-2 number, since 2×139828077² = 39103782235035858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139828079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66748 + ... + 68810.

It is an arithmetic number, because the mean of its divisors is an integer number (8935056).

Almost surely, 2^139828077 is an apocalyptic number.

139828077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

139828077 is a deficient number, since it is larger than the sum of its proper divisors (74613267).

139828077 is a wasteful number, since it uses less digits than its factorization.

139828077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 139828077 is about 11824.8922616656. The cubic root of 139828077 is about 519.0367733196.

The spelling of 139828077 in words is "one hundred thirty-nine million, eight hundred twenty-eight thousand, seventy-seven".