Search a number
-
+
139867153 is a prime number
BaseRepresentation
bin10000101011000…
…11010000010001
3100202011222122221
420111203100101
5241301222103
621513501041
73315564646
oct1025432021
9322158587
10139867153
1171a51298
123aa11781
1322c91a3a
141480bdcd
15c42c1bd
hex8563411

139867153 has 2 divisors, whose sum is σ = 139867154. Its totient is φ = 139867152.

The previous prime is 139867129. The next prime is 139867157. The reversal of 139867153 is 351768931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132987024 + 6880129 = 11532^2 + 2623^2 .

It is an emirp because it is prime and its reverse (351768931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139867153 - 29 = 139866641 is a prime.

It is not a weakly prime, because it can be changed into another prime (139867157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69933576 + 69933577.

It is an arithmetic number, because the mean of its divisors is an integer number (69933577).

Almost surely, 2139867153 is an apocalyptic number.

It is an amenable number.

139867153 is a deficient number, since it is larger than the sum of its proper divisors (1).

139867153 is an equidigital number, since it uses as much as digits as its factorization.

139867153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 139867153 is about 11826.5444234569. The cubic root of 139867153 is about 519.0851183835.

The spelling of 139867153 in words is "one hundred thirty-nine million, eight hundred sixty-seven thousand, one hundred fifty-three".