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139919033 = 437941189
BaseRepresentation
bin10000101011011…
…11111010111001
3100202021121211102
420111233322321
5241304402113
621514541145
73316202132
oct1025577271
9322247742
10139919033
1171a87271
123aa377b5
1322cac537
1414822c89
15c43c758
hex856feb9

139919033 has 8 divisors (see below), whose sum is σ = 144988800. Its totient is φ = 134931888.

The previous prime is 139918991. The next prime is 139919069. The reversal of 139919033 is 330919931.

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

It is a cyclic number.

It is not a de Polignac number, because 139919033 - 26 = 139918969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139919093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17198 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (18123600).

Almost surely, 2139919033 is an apocalyptic number.

It is an amenable number.

139919033 is a deficient number, since it is larger than the sum of its proper divisors (5069767).

139919033 is an equidigital number, since it uses as much as digits as its factorization.

139919033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41311.

The product of its (nonzero) digits is 19683, while the sum is 38.

The square root of 139919033 is about 11828.7375911379. The cubic root of 139919033 is about 519.1492907222.

The spelling of 139919033 in words is "one hundred thirty-nine million, nine hundred nineteen thousand, thirty-three".

Divisors: 1 43 79 3397 41189 1771127 3253931 139919033