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139953223 is a prime number
BaseRepresentation
bin10000101011110…
…00010001000111
3100202100100201201
420111320101013
5241312000343
621515403331
73316403614
oct1025702107
9322310651
10139953223
1171aaaa23
123aa53547
1322cc1c77
141483150b
15c44794d
hex8578447

139953223 has 2 divisors, whose sum is σ = 139953224. Its totient is φ = 139953222.

The previous prime is 139953199. The next prime is 139953257. The reversal of 139953223 is 322359931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139953223 - 29 = 139952711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139953523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69976611 + 69976612.

It is an arithmetic number, because the mean of its divisors is an integer number (69976612).

Almost surely, 2139953223 is an apocalyptic number.

139953223 is a deficient number, since it is larger than the sum of its proper divisors (1).

139953223 is an equidigital number, since it uses as much as digits as its factorization.

139953223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 37.

The square root of 139953223 is about 11830.1827120294. The cubic root of 139953223 is about 519.1915729582.

The spelling of 139953223 in words is "one hundred thirty-nine million, nine hundred fifty-three thousand, two hundred twenty-three".