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139914263 = 419673529
BaseRepresentation
bin10000101011011…
…10110000010111
3100202021101021202
420111232300113
5241304224023
621514503115
73316152206
oct1025566027
9322241252
10139914263
1171a83725
123aa34a9b
1322caa308
141482123d
15c43b128
hex856ec17

139914263 has 8 divisors (see below), whose sum is σ = 143515680. Its totient is φ = 136321920.

The previous prime is 139914211. The next prime is 139914277. The reversal of 139914263 is 362419931.

139914263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139914263 - 28 = 139914007 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 (139914283) 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, 37883 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (17939460).

Almost surely, 2139914263 is an apocalyptic number.

139914263 is a deficient number, since it is larger than the sum of its proper divisors (3601417).

139914263 is an equidigital number, since it uses as much as digits as its factorization.

139914263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537.

The product of its digits is 34992, while the sum is 38.

The square root of 139914263 is about 11828.5359618171. The cubic root of 139914263 is about 519.1433911907.

The spelling of 139914263 in words is "one hundred thirty-nine million, nine hundred fourteen thousand, two hundred sixty-three".

Divisors: 1 41 967 3529 39647 144689 3412543 139914263