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139604126145497 = 1343274777908879
BaseRepresentation
bin11111101111100000011110…
…010110010001101111011001
3200022022000122120202002010222
4133233200132112101233121
5121244233222243123442
61212525130012245425
741256031250036546
oct3757403626215731
9608260576662128
10139604126145497
1140533860812052
12137a826b470875
135cb87c6b8cc90
142668c39117bcd
151121654e848d2
hex7ef81e591bd9

139604126145497 has 16 divisors (see below), whose sum is σ = 153839980842240. Its totient is φ = 125867882109312.

The previous prime is 139604126145481. The next prime is 139604126145619. The reversal of 139604126145497 is 794541621406931.

It is a cyclic number.

It is not a de Polignac number, because 139604126145497 - 24 = 139604126145481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139604126145697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153145904 + ... + 154054782.

It is an arithmetic number, because the mean of its divisors is an integer number (9614998802640).

Almost surely, 2139604126145497 is an apocalyptic number.

It is an amenable number.

139604126145497 is a deficient number, since it is larger than the sum of its proper divisors (14235854696743).

139604126145497 is a wasteful number, since it uses less digits than its factorization.

139604126145497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183712.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 139604126145497 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, four hundred ninety-seven".

Divisors: 1 13 43 559 274777 908879 3572101 11815411 11815427 39081797 153600343 508063361 249739044983 3246607584779 10738778934269 139604126145497