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136969641959 = 9531163123581
BaseRepresentation
bin111111110010000000…
…1101101111111100111
3111002112122112202000012
41333210001231333213
54221003212020314
6142531210440435
712616143514133
oct1774401557747
9432478482005
10136969641959
11530a7879307
1222666a3311b
13cbbab0b827
1468b4da23c3
153869b8293e
hex1fe406dfe7

136969641959 has 8 divisors (see below), whose sum is σ = 137232373392. Its totient is φ = 136707161920.

The previous prime is 136969641953. The next prime is 136969641961. The reversal of 136969641959 is 959146969631.

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 136969641959 - 28 = 136969641703 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 (136969641953) 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, 1046549 + ... + 1170129.

It is an arithmetic number, because the mean of its divisors is an integer number (17154046674).

Almost surely, 2136969641959 is an apocalyptic number.

136969641959 is a deficient number, since it is larger than the sum of its proper divisors (262731433).

136969641959 is a wasteful number, since it uses less digits than its factorization.

136969641959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125697.

The product of its digits is 85030560, while the sum is 68.

The spelling of 136969641959 in words is "one hundred thirty-six billion, nine hundred sixty-nine million, six hundred forty-one thousand, nine hundred fifty-nine".

Divisors: 1 953 1163 123581 1108339 117772693 143724703 136969641959