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136980167 = 891539103
BaseRepresentation
bin10000010101000…
…10011011000111
3100112202022110112
420022202123013
5240031331132
621331543235
73252212042
oct1012423307
9315668415
10136980167
117035a255
1239a5ab1b
13224c096c
1414299c59
15c05bab2
hex82a26c7

136980167 has 4 divisors (see below), whose sum is σ = 138519360. Its totient is φ = 135440976.

The previous prime is 136980161. The next prime is 136980187. The reversal of 136980167 is 761089631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136980167 is a prime.

It is a super-3 number, since 3×1369801673 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136980161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769463 + ... + 769640.

It is an arithmetic number, because the mean of its divisors is an integer number (34629840).

Almost surely, 2136980167 is an apocalyptic number.

136980167 is a deficient number, since it is larger than the sum of its proper divisors (1539193).

136980167 is an equidigital number, since it uses as much as digits as its factorization.

136980167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539192.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 136980167 is about 11703.8526562837. The cubic root of 136980167 is about 515.4887959902.

The spelling of 136980167 in words is "one hundred thirty-six million, nine hundred eighty thousand, one hundred sixty-seven".

Divisors: 1 89 1539103 136980167