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1139921137 is a prime number
BaseRepresentation
bin100001111110001…
…1101000011110001
32221102221222211101
41003330131003301
54313304434022
6305040244401
740151112145
oct10374350361
92842858741
101139921137
11535501693
12279910701
1315221a664
14ab571225
156a11e627
hex43f1d0f1

1139921137 has 2 divisors, whose sum is σ = 1139921138. Its totient is φ = 1139921136.

The previous prime is 1139921063. The next prime is 1139921141. The reversal of 1139921137 is 7311299311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825355441 + 314565696 = 28729^2 + 17736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1139921137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1139921096 and 1139921105.

It is not a weakly prime, because it can be changed into another prime (1139921177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569960568 + 569960569.

It is an arithmetic number, because the mean of its divisors is an integer number (569960569).

Almost surely, 21139921137 is an apocalyptic number.

It is an amenable number.

1139921137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139921137 is an equidigital number, since it uses as much as digits as its factorization.

1139921137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 37.

The square root of 1139921137 is about 33762.7181518313. The cubic root of 1139921137 is about 1044.6198374499.

The spelling of 1139921137 in words is "one billion, one hundred thirty-nine million, nine hundred twenty-one thousand, one hundred thirty-seven".