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140254937 is a prime number
BaseRepresentation
bin10000101110000…
…01111011011001
3100202220200121022
420113001323121
5241401124222
621530052225
73322101344
oct1027017331
9322820538
10140254937
1172196679
123ab7a075
13230993b4
14148ad45b
15c4a7042
hex85c1ed9

140254937 has 2 divisors, whose sum is σ = 140254938. Its totient is φ = 140254936.

The previous prime is 140254931. The next prime is 140254951. The reversal of 140254937 is 739452041.

140254937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91030681 + 49224256 = 9541^2 + 7016^2 .

It is an emirp because it is prime and its reverse (739452041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140254937 - 222 = 136060633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140254897 and 140254906.

It is not a weakly prime, because it can be changed into another prime (140254931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70127468 + 70127469.

It is an arithmetic number, because the mean of its divisors is an integer number (70127469).

Almost surely, 2140254937 is an apocalyptic number.

It is an amenable number.

140254937 is a deficient number, since it is larger than the sum of its proper divisors (1).

140254937 is an equidigital number, since it uses as much as digits as its factorization.

140254937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 140254937 is about 11842.9277207961. The cubic root of 140254937 is about 519.5643997491.

The spelling of 140254937 in words is "one hundred forty million, two hundred fifty-four thousand, nine hundred thirty-seven".