Search a number
-
+
139759137 = 3277928081
BaseRepresentation
bin10000101010010…
…00111000100001
3100201222111111100
420111020320201
5241234243022
621511305013
73314635020
oct1025107041
9321874440
10139759137
1171988121
123a97b169
1322c5481b
14147c08b7
15c40a1ac
hex8548e21

139759137 has 24 divisors (see below), whose sum is σ = 233642240. Its totient is φ = 78848640.

The previous prime is 139759111. The next prime is 139759171. The reversal of 139759137 is 731957931.

It is not a de Polignac number, because 139759137 - 211 = 139757089 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139759092 and 139759101.

It is not an unprimeable number, because it can be changed into a prime (139759187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9064 + ... + 19017.

Almost surely, 2139759137 is an apocalyptic number.

It is an amenable number.

139759137 is a deficient number, since it is larger than the sum of its proper divisors (93883103).

139759137 is a wasteful number, since it uses less digits than its factorization.

139759137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28173 (or 28170 counting only the distinct ones).

The product of its digits is 178605, while the sum is 45.

The square root of 139759137 is about 11821.9768651440. The cubic root of 139759137 is about 518.9514583667.

The spelling of 139759137 in words is "one hundred thirty-nine million, seven hundred fifty-nine thousand, one hundred thirty-seven".

Divisors: 1 3 7 9 21 63 79 237 553 711 1659 4977 28081 84243 196567 252729 589701 1769103 2218399 6655197 15528793 19965591 46586379 139759137