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139076077 = 7191104021
BaseRepresentation
bin10000100101000…
…10000111101101
3100200200210111211
420102202013231
5241100413302
621444514421
73306061420
oct1022420755
9320623454
10139076077
1171560a08
123a6aba11
1322a7594a
14146839b7
15c322ad7
hex84a21ed

139076077 has 8 divisors (see below), whose sum is σ = 159777792. Its totient is φ = 118582800.

The previous prime is 139076053. The next prime is 139076089. The reversal of 139076077 is 770670931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139076077 - 215 = 139043309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139076017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50674 + ... + 53347.

It is an arithmetic number, because the mean of its divisors is an integer number (19972224).

Almost surely, 2139076077 is an apocalyptic number.

It is an amenable number.

139076077 is a deficient number, since it is larger than the sum of its proper divisors (20701715).

139076077 is a wasteful number, since it uses less digits than its factorization.

139076077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104219.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 139076077 is about 11793.0520646693. The cubic root of 139076077 is about 518.1046346768.

The spelling of 139076077 in words is "one hundred thirty-nine million, seventy-six thousand, seventy-seven".

Divisors: 1 7 191 1337 104021 728147 19868011 139076077